A pool chemical storage box can keep supplies organized outdoors, but most patio deck boxes are not made specifically for chemical storage. My best overall pick for general poolside organization is the Keter Westwood 150-gallon box, which offers ample room for bulky accessories; the Pool Chemical Storage Box Caddy is a more focused choice for carrying a small set of supplies, while the Keter City 30-gallon boxes suit tighter spaces. The main tradeoffs are capacity versus footprint, portability versus weather protection, and general-purpose storage versus a dedicated chemical caddy. Chemical compatibility and safe separation matter as much as lid style or appearance. Read on for the full comparison and guidance on choosing a box that fits your supplies and storage conditions.
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Key Takeaways
- General-purpose deck boxes dominate this lineup: Keter, Devoko, Greesum, and DRATO models offer varying capacities, but they are not automatically chemical-rated containers.
- The Westwood’s 150-gallon capacity favors bulky pool gear, while the 30- to 35-gallon options are easier to fit beside a patio or pool equipment area.
- The dedicated Pool Chemical Storage Box Caddy is the most purpose-specific option for carrying a limited supply, but its stated two-gallon capacity cannot replace storage for a full pool-care inventory.
- The hot tub chemical storage bag is the portable outlier: it makes sense for transporting tools and supplies, not for replacing a rigid, weather-protective storage box.
- Several entries are duplicate or closely related Keter City 30-gallon listings, so shoppers should compare the exact version and finish rather than assume each listing offers a distinct capacity or use.
| Keter City 30 Gallon Resin Outdoor Storage Box & Patio Side Table – Brown |  | Best Small-Space Side Table | Capacity: 30 gallons | Exterior dimensions: 22.75 × 17.3 × 21.7 inches | Interior dimensions: 22.71 × 16.3 × 20.3 inches | VIEW ON AMAZON | See Our Full Breakdown |
| Keter Westwood 150 Gal Outdoor Storage Box for Patio and Pool Accessories |  | Best for High-Capacity Pool Storage | Capacity: 150 gallons | Exterior dimensions: 61 × 28.34 × 25.19 inches | Interior dimensions: 56 × 24.6 × 22.8 inches | VIEW ON AMAZON | See Our Full Breakdown |
| Keter City 30 Gallon Outdoor Storage Box and Patio Side Table |  | Best for Balconies and Tight Patios | Capacity: 30 gallons | Exterior dimensions: 22.75 × 17.3 × 21.7 inches | Interior dimensions: 22.71 × 16.3 × 20.3 inches | VIEW ON AMAZON | See Our Full Breakdown |
| Kentwood 92 Gallon Outdoor Storage Box for Patio and Pool Accessories |  | Best Lockable Mid-Size Bench | Storage capacity: 92 gallons | Exterior dimensions: 50.4 × 21.2 × 23.2 inches | Interior dimensions: 49.6 × 20 × 22.8 inches | VIEW ON AMAZON | See Our Full Breakdown |
| Devoko 30 Gallon Resin Deck Box Waterproof Outdoor Storage Box for Patio Furniture, Pool Accessories, Indoor Storage for Cushions and Garden Tools (Black) |  | Best Compact Lockable Pick | Capacity: 30 gallons | Dimensions: 22 × 16 × 20 inches | Material: High-density resin | VIEW ON AMAZON | See Our Full Breakdown |
| Keter Premium Everwood 30 Gallon Outdoor Storage Box & Patio Side Table |  | Best for a Side-Table Finish | Capacity: 30 gallons | Dimensions: 22.7 x 17.3 x 21.57 inches | Material: Resin | VIEW ON AMAZON | See Our Full Breakdown |
| 35 Gallon Outdoor Deck Box Lockable Waterproof Storage Black |  | Best Value for Basic Outdoor Storage | Capacity: 35 gallons | Color: Black | Material: UV-resistant waterproof panels | VIEW ON AMAZON | See Our Full Breakdown |
| Devoko 100 Gallon Waterproof Deck Box |  | Best for High-Volume Pool Gear | Capacity: 100 gallons | Dimensions: 48 x 22 x 24.5 inches | Material: Resin | VIEW ON AMAZON | See Our Full Breakdown |
| Joe & JoseRin Hot Tub Chemical Storage Bag, Pool Cleaning Caddy Tool Organizer, Heavy Duty Garden Carry Tote |  | Best for Portable Pool-Care Organization | Capacity: 24 liters | Dimensions: 15.7 x 9 x 26 inches | Material: Water-resistant 900D nylon; polyester listed in specs | VIEW ON AMAZON | See Our Full Breakdown |
| Keter City 30 Gallon Outdoor Storage Box and Patio Side Table |  | Best Compact Pick for Small Patios | Capacity: 30 gallons | Exterior dimensions: 22.75 x 17.3 x 21.7 inches | Interior dimensions: 22.71 x 16.3 x 20.3 inches | VIEW ON AMAZON | See Our Full Breakdown |
| Greesum Outdoor Storage Box 31 Gallon with Lid, Waterproof and UV Resistant, Lockable, Dark Black |  | Best Compact Lockable Deck Box | Capacity: 31 gallons | Material: Resin | Dimensions: 22.04 × 16.34 × 20.87 inches | VIEW ON AMAZON | See Our Full Breakdown |
| Pool Chemical Storage Box Caddy for Pool Service – Holds 2 Gallons – Black |  | Best for Chemical Transport | Brand: Discount Pool Mart | Model number: SW-10-204 | Capacity: 2 gallons | VIEW ON AMAZON | See Our Full Breakdown |
| DRATO 60-Gallon Waterproof Lockable Resin Outdoor Storage Box |  | Best Heavy-Duty Bench Box | Capacity: Conflicting data: 60 gallons in title and description; 55 gallons listed; 50-gallon storage volume | Dimensions: 30.75 × 17.13 × 21.85 inches | Item weight: 11 pounds | VIEW ON AMAZON | See Our Full Breakdown |
| Keter Marvel 71 Gal Outdoor Storage Box for Patio and Pool Accessories |  | Best Large-Capacity Poolside Box | Storage capacity: 71 gallons | Exterior dimensions: 45.9 W × 17.4 D × 22.2 H inches | Interior dimensions: 44.6 × 15.6 × 20 inches | VIEW ON AMAZON | See Our Full Breakdown |
| pool chemical storage box | Material | Capacity | Color | Weight |
|---|---|---|---|---|
| Keter City 30 Gallon Resin Out | All-weather resin with wood-look texture | 30 gallons | Brown | 7.8 pounds |
| Keter Westwood 150 Gal Outdoor | Resin | 150 gallons | — | — |
| Keter City 30 Gallon Outdoor S | Weather-resistant resin | 30 gallons | Dark grey | 7.9 pounds |
| Kentwood 92 Gallon Outdoor Sto | Resin | — | — | — |
| Devoko 30 Gallon Resin Deck Bo | High-density resin | 30 gallons | Black | 8.8 pounds |
| Keter Premium Everwood 30 Gall | Resin | 30 gallons | Walnut | 4.29 kg |
| 35 Gallon Outdoor Deck Box Loc | UV-resistant waterproof panels | 35 gallons | Black | — |
| Devoko 100 Gallon Waterproof D | Resin | 100 gallons | Black | 55 pounds |
| Joe & JoseRin Hot Tub Chemical | Water-resistant 900D nylon; polyester listed in specs | 24 liters | — | 2 pounds |
| Keter City 30 Gallon Outdoor S | Resin | 30 gallons | Beige | 8.9 pounds |
| Greesum Outdoor Storage Box 31 | Resin | 31 gallons | Dark black | 4.8 kg |
| Pool Chemical Storage Box Cadd | Molded plastic | 2 gallons | Black | — |
| DRATO 60-Gallon Waterproof Loc | — | Conflicting data: 60 gallons in title and description; 55 gallons listed; 50-gallon storage volume | Black | — |
| Keter Marvel 71 Gal Outdoor St | All-weather resin with wood-look texture; polypropylene | — | — | — |
More Details on Our Top Picks
Keter City 30 Gallon Resin Outdoor Storage Box & Patio Side Table – Brown
For a compact pool chemical storage box that can also serve as patio furniture, the Keter City 30 Gallon balances storage and everyday use. Its 30-gallon capacity can hold smaller pool-care supplies, while the wood-look resin finish helps it blend beside outdoor seating. At 7.8 pounds, it is easier to reposition than the much larger Keter Westwood 150 Gallon, though that smaller footprint also rules out bulky floats and bigger equipment. The lid gives you a usable surface or extra seat, but the box has just one compartment, so chemicals and general pool accessories cannot be separated inside. Its weather-resistant, UV-protected resin avoids the rust and peeling concerns of metal, but this is still general outdoor storage rather than a dedicated chemical cabinet. I would use it for contained supplies and keep chemical labels and storage guidance in mind.
Pros:- 30-gallon capacity fits a useful selection of small pool accessories
- UV-protected resin is designed to resist warping, rust, denting, and peeling outdoors
- Wood-look finish and usable lid let it double as a side table or extra seat
- Tool-free assembly and 7.8-pound weight make setup and repositioning straightforward
Cons:- Single compartment offers no separation for chemicals and other supplies
- Compact interior is unsuitable for bulky pool gear or large containers
- No lockable feature is listed for restricting access
Best for: Patio and balcony owners who need a compact place for a small selection of pool-care supplies and want a side table too
Not ideal for: Pool owners storing large chemical containers, bulky floats, or supplies that need separate compartments
- Capacity:30 gallons
- Exterior dimensions:22.75 × 17.3 × 21.7 inches
- Interior dimensions:22.71 × 16.3 × 20.3 inches
- Material:All-weather resin with wood-look texture
- Color:Brown
- Weight:7.8 pounds
- Maximum recommended load:220 pounds
- Compartments:1
Our verdict“Choose this brown Keter City if you want compact, dual-purpose patio storage for a modest set of pool supplies rather than a dedicated high-capacity chemical cabinet.”
Keter Westwood 150 Gal Outdoor Storage Box for Patio and Pool Accessories
If your pool supplies share space with floats, cushions, and garden tools, the Keter Westwood 150 Gallon offers the most room in this group. Its 150-gallon capacity is far beyond the compact Keter City 30 Gallon, making it a better fit for households that want one large outdoor storage point. The easy-lift mechanism makes a large lid more manageable, and the box doubles as seating for two adults. Resin construction avoids rust and peeling, while the lockable lid adds a way to secure the contents. The tradeoff is its 61-inch length and wide footprint: it needs a planned spot and may be awkward in a tight patio. Although it can hold pool chemicals, it is a broad general-purpose deck box, not a purpose-built chemical locker with separate compartments. I would choose it for volume and shared storage, not compactness.
Pros:- 150-gallon capacity accommodates substantially more than the 30-gallon Keter City boxes
- Lockable lid provides a means to restrict access to stored supplies
- Easy-lift mechanism helps handle the large lid
- Can double as a bench for two adults
Cons:- Large footprint requires considerable patio or storage space
- General-purpose interior has no listed chemical-specific compartments
- Large size can make placement and repositioning less convenient
Best for: Pool owners with a spacious patio who need one lockable box for chemical containers, floats, cushions, and other outdoor gear
Not ideal for: Apartment or small-patio owners who lack room for a 61-inch box, or buyers seeking dedicated chemical separation
- Capacity:150 gallons
- Exterior dimensions:61 × 28.34 × 25.19 inches
- Interior dimensions:56 × 24.6 × 22.8 inches
- Material:Resin
- Lockable:Yes
- Seating:Bench seating for two adults
- Lid mechanism:Easy-lift mechanism
Our verdict“Pick the Westwood when capacity and lockable, shared outdoor storage matter more than a compact footprint or dedicated chemical organization.”
Keter City 30 Gallon Outdoor Storage Box and Patio Side Table
The dark grey Keter City earns its place for buyers who need pool supplies close at hand but have little room to spare. Its 30-gallon size and 22.75-inch length fit smaller outdoor areas more readily than the Keter Kentwood 92 Gallon, while the resin wood-look finish also makes it usable as a side table or extra seat. Tool-free assembly keeps setup simple, and the weather-resistant material needs less upkeep than exposed wood. The limit is capacity: this compact box is suited to a small set of pool accessories, not large containers or a collection of floats. It also has no listed lock, so it is a weaker choice when access control matters. Like the other Keter City option, its single-space format is general-purpose storage, not a separated chemical organizer.
Pros:- Compact dimensions suit small patios and balconies
- Weather-resistant resin supports low-maintenance outdoor use
- Wood-look design works as a side table or extra seating
- Tool-free assembly reduces setup effort
Cons:- 30-gallon capacity limits storage to smaller supplies and accessories
- No lockable feature is listed
- Resin wood-look styling may not suit buyers who prefer natural materials
Best for: Balcony and small-patio owners who want a neat place for a few pool supplies that can also function as outdoor furniture
Not ideal for: Families with large pool gear, several chemical containers, or a need for a lockable storage box
- Capacity:30 gallons
- Exterior dimensions:22.75 × 17.3 × 21.7 inches
- Interior dimensions:22.71 × 16.3 × 20.3 inches
- Material:Weather-resistant resin
- Color:Dark grey
- Weight:7.9 pounds
- Maximum recommended load:220 pounds
Our verdict“Choose the dark grey Keter City for a small outdoor area and a modest set of pool supplies, but look to the Kentwood or Westwood for substantially more capacity.”
Kentwood 92 Gallon Outdoor Storage Box for Patio and Pool Accessories
The Kentwood 92 Gallon lands between the tiny Keter City boxes and the oversized Keter Westwood 150 Gallon, giving pool owners a more practical middle ground when they need extra capacity without dedicating a full bench-length to storage. Its lockable lid is useful for limiting casual access, and the stated 573-pound seating capacity makes the lid more functional than a simple cover. Tool-free assembly under 20 minutes is another plus for buyers who want a quick setup. Resin construction resists rust, fading, and dents, but the 50.4-inch width and bulky build still call for a fixed location; moving it may take help. Its broad interior is suited to mixed outdoor storage, though no internal divisions are listed for separating chemical products from towels or pool gear. For a mid-sized patio, it offers a useful balance of room, seating, and access control.
Pros:- 92-gallon capacity provides more room than the Keter City 30-gallon models
- Lockable lid adds access control
- Bench seating has a stated 573-pound weight capacity
- Tool-free assembly is listed as taking under 20 minutes
Cons:- Wide, bulky design can be difficult to move without assistance
- Interior has no listed compartments for separating supplies
- Requires more patio space than compact storage boxes
Best for: Pool owners who want lockable, mid-capacity storage with a sturdy bench lid for a covered patio or garage
Not ideal for: Buyers with very limited floor space, those who need a lightweight portable box, or anyone needing divided chemical storage
- Storage capacity:92 gallons
- Exterior dimensions:50.4 × 21.2 × 23.2 inches
- Interior dimensions:49.6 × 20 × 22.8 inches
- Material:Resin
- Lockable lid:Yes
- Bench seating capacity:573 pounds
- Assembly:Tool-free; under 20 minutes
Our verdict“The Kentwood suits buyers who want a lockable, bench-style box with more room than a compact model but less capacity than the Westwood.”
Devoko 30 Gallon Resin Deck Box Waterproof Outdoor Storage Box for Patio Furniture, Pool Accessories, Indoor Storage for Cushions and Garden Tools (Black)
Among the compact choices, the Devoko 30 Gallon stands out for pairing a small footprint with a listed lock and built-in armrest. That makes it a better match than the Keter City 30 Gallon when restricting casual access matters, although neither is a dedicated chemical cabinet with separate storage zones. The high-density resin is described as waterproof and UV-resistant, and the 8.8-pound weight makes the box easier to move than the larger Kentwood or Westwood. It can also serve as a seat up to 220 pounds, adding a practical use in a tight patio. The tradeoff is limited capacity: 30 gallons will not handle a broad pool setup or bulky equipment. Its black-only finish narrows the style choice, and buyers should not treat a lock or weather-resistant shell as a substitute for following chemical storage instructions.
Pros:- Lockable design offers access control not listed for the Keter City boxes
- Waterproof and UV-resistant high-density resin is intended for outdoor conditions
- Light 8.8-pound build is easier to reposition than the larger bench boxes
- Can double as seating with a stated 220-pound maximum load
Cons:- 30-gallon capacity is limited for bulky gear or larger pool-care setups
- Black is the only listed color
- No internal compartments are listed for separating stored items
Best for: Small-patio pool owners who want compact accessory storage, a listed lock, and occasional extra seating
Not ideal for: Buyers storing large chemical containers or lots of pool equipment, or those who need internal organization or multiple color choices
- Capacity:30 gallons
- Dimensions:22 × 16 × 20 inches
- Material:High-density resin
- Weight:8.8 pounds
- Color:Black
- Maximum load capacity:220 pounds
- Features:Waterproof, UV-resistant, lockable, built-in armrest
Our verdict“Choose the Devoko if you need compact outdoor storage with a lock and seat function, and can work within a 30-gallon capacity.”
Keter Premium Everwood 30 Gallon Outdoor Storage Box & Patio Side Table
The Keter Premium Everwood suits pool owners who want a compact place to keep accessories while adding a usable surface beside patio seating. Its 30-gallon resin interior is enough for smaller pool gear, but it is not a dedicated chemical cabinet: the single compartment offers no separation for bottles or supplies, and the product details do not specify chemical-resistant construction. Compared with the 35 Gallon Outdoor Deck Box, it gives up some capacity but adds a walnut finish and a patio side-table role. The lockable flip-top lid adds a basic layer of access control, while waterproof construction helps protect contents from weather. Tool-free assembly is a convenience; the tradeoff is that its modest capacity and 4.29 kg weight make it less suited to larger or frequently relocated loads.
Pros:- 30-gallon capacity accommodates a modest collection of outdoor pool accessories.
- Waterproof resin construction is suited to outdoor exposure and requires little upkeep.
- Walnut finish and side-table function blend storage into a patio seating area.
- Tool-free assembly is described as taking under ten minutes.
Cons:- One compartment makes it harder to keep small supplies sorted.
- Product information does not establish that the resin is designed for direct chemical storage.
- Its capacity is much lower than the 100-gallon Devoko deck box.
Best for: Pool owners with a small set of accessories who want a weather-resistant storage box that also works as a patio side table.
Not ideal for: Households storing many pool products or needing separated, chemical-specific containment; the single compartment is limited and chemical compatibility is not specified.
- Capacity:30 gallons
- Dimensions:22.7 x 17.3 x 21.57 inches
- Material:Resin
- Color:Walnut
- Compartments:1
- Water resistance:Waterproof
- Lock type:Flip-top hinge lock
- Weight:4.29 kg
Our verdict“Choose the Everwood for modest pool-accessory storage with a polished side-table look, not for bulk chemical storage or organized bottle containment.”
35 Gallon Outdoor Deck Box Lockable Waterproof Storage Black
This 35-gallon deck box is a straightforward pick for buyers who want more room than the 30-gallon Keter boxes without moving to a large bench-style container. Its waterproof, UV-resistant panels are intended to shield stored items from outdoor conditions, and handles make repositioning easier. The lid is lockable, but a lock is not included, so buyers who want that added access control need to supply one. Compared with the Keter Premium Everwood, this box prioritizes capacity and portability over a furniture-like finish; compared with the Devoko 100 Gallon, it takes up less space but holds far less. Its tool-free interlocking assembly avoids a tool kit, though the product details acknowledge that fitting the panels can still be challenging. Pool chemicals need suitable, separate storage; this is a general outdoor box, not a stated chemical-rated enclosure.
Pros:- 35-gallon capacity offers more room than the 30-gallon Keter options.
- Waterproof and UV-resistant panels are designed for outdoor storage.
- Sturdy handles support easier movement around a patio or garden.
- Interlocking, tool-free assembly does not require a separate tool kit.
Cons:- A lock is not included, despite the lockable design.
- Panel assembly may be difficult for some buyers.
- It is general outdoor storage, with no stated chemical-specific construction.
Best for: Pool owners who need a moderate-capacity outdoor box for accessories and value handles and weather-resistant panels over a decorative furniture design.
Not ideal for: Buyers seeking a ready-to-use lock or a dedicated chemical cabinet; the lock must be purchased separately and chemical compatibility is not specified.
- Capacity:35 gallons
- Color:Black
- Material:UV-resistant waterproof panels
- Lock:Lockable; lock not included
- Handles:Yes
- Assembly:Tool-free interlocking structure
Our verdict“Pick this box for practical, mid-size storage of pool accessories, provided you are comfortable supplying a lock and assembling the panels.”
Devoko 100 Gallon Waterproof Deck Box
When pool accessories, cushions, and garden gear need to share one outdoor container, the Devoko 100 Gallon offers substantially more room than the 30- and 35-gallon boxes in this group. Its 48-inch length and 100-gallon capacity suit bulky items, while gas rods help lift the lid and side handles assist with handling. It also functions as seating, with a stated maximum weight recommendation of 500 pounds. Those benefits come with a real space and mobility tradeoff: at 55 pounds, it is far less convenient to move than the smaller Keter Premium Everwood or the handled 35-gallon box. The lockable lid and weather-resistant resin help with general outdoor storage, but the product details do not identify it as chemical-rated or as a ventilated chemical cabinet. I would keep chemical products in packaging and storage conditions approved for them.
Pros:- 100-gallon capacity holds much more than the smaller boxes in this roundup.
- Gas rods help with opening the large lid.
- Can serve as seating with a stated 500-pound maximum weight recommendation.
- Resin construction is described as waterproof and resistant to weather, fading, and rust.
Cons:- At 55 pounds, it is difficult to move compared with the smaller boxes.
- Its 48-inch length requires considerable patio or deck space.
- The product data does not specify chemical-rated construction or ventilation.
Best for: Pool-owning households with a spacious patio that need to store bulky accessories alongside cushions or other outdoor gear.
Not ideal for: Small balconies, frequent movers, or buyers seeking a purpose-built chemical storage enclosure; its footprint and weight are substantial, and chemical-specific suitability is not stated.
- Capacity:100 gallons
- Dimensions:48 x 22 x 24.5 inches
- Material:Resin
- Weight:55 pounds
- Color:Black
- Maximum weight recommendation:500 pounds
- Lid:Lockable, with gas rods
- Handles:Dual side handles
Our verdict“Choose the Devoko when bulk outdoor storage and bench seating matter more than a compact footprint or dedicated chemical containment.”
Joe & JoseRin Hot Tub Chemical Storage Bag, Pool Cleaning Caddy Tool Organizer, Heavy Duty Garden Carry Tote
Unlike the rigid deck boxes in this roundup, the Joe & JoseRin storage bag is designed to organize and carry pool-cleaning supplies rather than stay on a patio. Its four compartments and adjustable dividers help separate tools and smaller items, an advantage over the one-compartment Keter Premium Everwood and Keter City boxes. The shoulder strap and 2-pound listed weight also make it easier to take supplies between a storage spot and the pool. The tradeoff is protection: water-resistant polyester is not the same as a waterproof, lockable outdoor box, and the product details do not establish that the bag is suitable for storing chemicals directly or containing leaks. It can be useful for carrying properly sealed products and accessories, but it does not replace secure, chemical-appropriate storage. At 26 inches high, it may also feel bulky when fully loaded.
Pros:- Four compartments and adjustable dividers help organize pool-care tools.
- Shoulder strap makes supplies easier to carry between storage and pool areas.
- Water-resistant 900D nylon construction is suited to damp outdoor gear.
- At 2 pounds empty, it is more portable than the rigid Devoko 100 Gallon.
Cons:- Water-resistant fabric does not provide the same protection as a waterproof hard-sided box.
- No lock or chemical-specific leak containment is listed.
- The 26-inch height and full-load weight may make it cumbersome to carry.
Best for: Pool owners or service workers who need a portable organizer for cleaning tools and sealed supplies, with compartments for keeping smaller gear sorted.
Not ideal for: Buyers who need a lockable, weatherproof container that can sit outdoors or safely contain chemical spills; this is a water-resistant carry bag, not a rigid chemical cabinet.
- Capacity:24 liters
- Dimensions:15.7 x 9 x 26 inches
- Material:Water-resistant 900D nylon; polyester listed in specs
- Compartments:4
- Closure:Zipper
- Strap:Shoulder strap
- Weight:2 pounds
Our verdict“Choose this bag to carry and sort pool-maintenance gear, but use a separate chemical-appropriate enclosure for chemical storage.”
Keter City 30 Gallon Outdoor Storage Box and Patio Side Table
The Keter City 30 Gallon makes the most sense when outdoor space is limited and the box needs to double as a side table or occasional seat. Its compact footprint—about 22.75 x 17.3 inches—is easier to fit on a balcony than the long Devoko 100 Gallon, while the resin construction is intended for outdoor use. Compared with the Keter Premium Everwood, it has the same 30-gallon capacity and similar furniture-friendly purpose, but this version is beige and lists interior dimensions, which help buyers judge what will fit. The one-compartment layout is simple, not an organizing system, and the capacity will not suit a large collection of pool gear. This is general patio storage; no chemical-rated material or purpose-built containment is specified, so I would not treat it as a dedicated pool chemical cabinet.
Pros:- Compact dimensions suit smaller patios and balconies.
- 30-gallon capacity provides space for a modest amount of outdoor gear.
- Resin construction and outdoor-storage design are suited to patio use.
- Can function as a side table or extra seating.
Cons:- One compartment offers no built-in separation for small supplies.
- 30 gallons may be insufficient for bulky gear or larger storage needs.
- The simple beige design may not fit every patio style.
Best for: Balcony and small-patio owners who want a compact box for a limited set of pool accessories and a side-table surface.
Not ideal for: Buyers storing multiple large chemical containers or needing divided, chemical-specific containment; capacity is limited and chemical compatibility is not stated.
- Capacity:30 gallons
- Exterior dimensions:22.75 x 17.3 x 21.7 inches
- Interior dimensions:22.71 x 16.3 x 20.3 inches
- Weight:8.9 pounds
- Material:Resin
- Color:Beige
- Shape:Rectangular
- Compartments:1
Our verdict“Choose the Keter City for compact, dual-purpose patio storage, but skip it if your pool setup needs high capacity or dedicated chemical containment.”
Greesum Outdoor Storage Box 31 Gallon with Lid, Waterproof and UV Resistant, Lockable, Dark Black
The 31-gallon Greesum suits pool owners who want a compact outdoor box for accessories rather than a dedicated carrier for liquid chemicals. Its waterproof, UV-resistant resin and lockable lid help shield supplies from weather and casual access, while its modest footprint is easier to place beside a pool than the much wider Keter Marvel 71 Gal. The capacity can hold a useful mix of test supplies, small tools, and pool accessories, but the product data does not describe divided compartments or chemical-specific separation. I would keep incompatible chemicals in their original, properly separated containers rather than rely on this general-purpose box to separate them. It also doubles as a seat or side table, though assembly is required and its 220-pound weight recommendation is below the DRATO box’s stated 300-pound load capacity.
Pros:- Waterproof and UV-resistant resin suits outdoor accessory storage.
- Lockable design can limit casual access to stored supplies.
- Compact 31-gallon capacity takes up less room than the Keter Marvel 71 Gal.
- Can serve as a seat or side table when not being opened.
Cons:- No divided compartments or chemical-specific separation are listed.
- Assembly is required.
- The 220-pound weight recommendation is lower than the DRATO box’s 300-pound capacity.
Best for: Pool owners with limited deck space who need a lockable, weather-resistant box for accessories and small tools.
Not ideal for: Pool service technicians transporting liquid chlorine and acid, or anyone needing built-in chemical separation and a purpose-made chemical caddy.
- Capacity:31 gallons
- Material:Resin
- Dimensions:22.04 × 16.34 × 20.87 inches
- Color:Dark black
- Weight:4.8 kg
- Maximum weight recommendation:220 pounds
- Shape:Rectangular
- Listed features:Waterproof, lockable, environmentally friendly
Our verdict“Choose the Greesum for a compact, lockable place to store pool accessories, not as a substitute for a separated chemical transport caddy.”
Pool Chemical Storage Box Caddy for Pool Service – Holds 2 Gallons – Black
Unlike the large deck boxes in this group, the Discount Pool Mart caddy is designed around carrying a small, organized chemical load. Its two-gallon capacity holds liquids upright, and separate compartments are intended to keep chlorine and acid apart during transport. That makes it a more task-specific choice than the Greesum 31-gallon box, which offers weather-resistant storage but no listed internal divisions. Built-in tool slots and space for test strips and small parts also help a pool technician keep frequently used gear together; the balanced center handle is meant for one-handed carrying. The tradeoff is limited capacity: this is a service caddy, not a place to store a season’s worth of chemicals or bulky pool accessories. It may also be awkward to fit in a small truck or tight storage nook.
Pros:- Holds up to two gallons of liquid chemicals upright during transport.
- Separate compartments are designed to keep chlorine and acid apart.
- Integrated slots organize hand tools, while compartments hold test strips and small parts.
- Balanced center handle supports one-handed carrying.
Cons:- Two-gallon capacity is too small for bulk or seasonal chemical storage.
- May be bulky for small trucks and tight storage spaces.
- Unlike the Greesum and DRATO deck boxes, it is a portable caddy rather than general outdoor furniture storage.
Best for: Pool service technicians or hands-on pool owners who carry small amounts of liquid chemicals alongside tools and testing supplies.
Not ideal for: Buyers seeking a large, stationary outdoor storage box for bulk chemicals, cushions, or assorted pool equipment.
- Brand:Discount Pool Mart
- Model number:SW-10-204
- Capacity:2 gallons
- Material:Molded plastic
- Color:Black
- Chemical storage:Designed to hold liquid chemicals upright in separate compartments
- Organization:Compartments for tablets, test strips, and small parts; built-in tool slots
- Handle:Balanced center handle for one-handed transport
Our verdict“Pick this caddy when safe, organized transport of a small chemical load matters more than large-capacity outdoor storage.”
DRATO 60-Gallon Waterproof Lockable Resin Outdoor Storage Box
The DRATO is a better match for poolside storage that needs to double as seating than for carrying chemicals between locations. Its lockable lid and weather-resistant construction make it useful for keeping pool accessories and tools together outdoors, while a stated 300-pound load capacity gives it a sturdier bench role than the Greesum’s 220-pound recommendation. Capacity information is inconsistent: the title says 60 gallons, the listed capacity says 55 gallons, the storage volume says 50 gallons, and the description claims 60 gallons. I would treat it as a roomy deck box without relying on an exact usable volume. Compared with the Keter Marvel 71 Gal, it has a lower listed capacity and bench limit, and its mixed material listing is less straightforward than a resin-only description. Its bulk can also make it difficult to move when loaded.
Pros:- Lockable lid helps secure stored pool accessories and tools.
- Weather-resistant construction is intended for outdoor use.
- Stated 300-pound load capacity supports use as a bench.
- Roomier than the Greesum 31-gallon box based on the listed capacity figures.
Cons:- Capacity figures conflict: 60 gallons in the title and description, 55 gallons listed, and 50 gallons of storage volume.
- Heavy and bulky when filled, making relocation difficult.
- The material listing includes iron, polypropylene, and wood rather than describing a single resin material.
Best for: Pool owners who want a lockable outdoor box for accessories and tools that can also serve as a sturdier occasional bench.
Not ideal for: Buyers who need a portable chemical carrier, a clearly specified internal volume, or built-in compartments for separating chemicals.
- Capacity:Conflicting data: 60 gallons in title and description; 55 gallons listed; 50-gallon storage volume
- Dimensions:30.75 × 17.13 × 21.85 inches
- Item weight:11 pounds
- Materials listed:Iron, polypropylene, wood
- Color:Black
- Shape:Rectangular
- Maximum load capacity:300 pounds
- Listed features:Waterproof, lockable
Our verdict“Choose the DRATO if you want a lockable, bench-capable poolside box and can accept conflicting capacity figures and limited portability.”
Keter Marvel 71 Gal Outdoor Storage Box for Patio and Pool Accessories
For buyers whose main need is one roomy place for pool accessories, the Keter Marvel’s 71-gallon capacity sets it apart from the Greesum 31-gallon box and the two-gallon Discount Pool Mart caddy. Its broad interior can accommodate more bulky gear, and the all-weather resin with a wood-look finish avoids the rot and rust concerns associated with some outdoor materials. It also doubles as a bench with a stated 485-pound capacity, higher than the DRATO’s 300-pound limit. Tool-free assembly is a practical advantage if you want to set it up without a separate assembly kit. Still, this is a general patio and pool-accessory box, not a purpose-built chemical container: the listed features do not include chemical separation or a specialized ventilation design. Its wide shape and weight when loaded make it a poor fit for small spaces or frequent relocation.
Pros:- 71-gallon capacity holds more bulky pool accessories than the Greesum 31-gallon box.
- All-weather resin resists rust, rot, fading, and warping.
- Stated 485-pound bench capacity exceeds the DRATO’s listed 300-pound load limit.
- Tool-free assembly avoids the assembly steps required by the Greesum.
Cons:- Wide footprint may not suit small decks or tight poolside areas.
- Heavy when filled, which can make moving it difficult.
- No chemical-specific compartments or separation features are listed.
Best for: Pool owners with a larger patio or deck who want high-capacity accessory storage and a bench in one unit.
Not ideal for: Technicians who need a compact chemical transport caddy, or buyers who need divided compartments and chemical-specific storage features.
- Storage capacity:71 gallons
- Exterior dimensions:45.9 W × 17.4 D × 22.2 H inches
- Interior dimensions:44.6 × 15.6 × 20 inches
- Material:All-weather resin with wood-look texture; polypropylene
- Bench weight capacity:485 pounds
- Assembly:Tool-free
- Finish:Wood-look texture
- Listed use:Patio and pool accessory storage; bench
Our verdict“Choose the Keter Marvel for spacious, bench-capable storage of pool accessories, but use a dedicated caddy when transporting chemicals.”
How We Picked
I ranked these options by how well their format, capacity, and stated features match common poolside storage needs. I gave more weight to useful capacity, weather protection, a stable and practical lid, lockability where listed, and ease of placing the box near a pool without creating unnecessary clutter. I also separated rigid deck boxes from portable caddies, since they solve different storage problems.
The top positions favor products with a clear role and enough room for typical pool accessories, while compact boxes and caddies rank higher for buyers with limited space or a small kit. A deck box described as waterproof or weather resistant is not automatically safe for every pool chemical; product descriptions here do not establish chemical compatibility, ventilation, or separation requirements. I treat that distinction as a major ranking limit and recommend following each chemical label and the manufacturer’s storage instructions.
Factors to Consider When Choosing Pool Chemical Storage Box
Before choosing a box, decide whether you need to store pool accessories, chemical containers, or both. Capacity claims describe volume, not safe chemical storage, and an outdoor deck box may not provide the ventilation or material compatibility your supplies require. These checks help prevent a roomy-looking purchase from becoming the wrong container for the job.
Separate chemicals from ordinary pool gear
Pool toys, brushes, test kits, and chemical containers do not all belong in the same compartment. Some chemicals can react dangerously if they leak or contact incompatible products, so keep products in their original, labeled containers and follow label instructions for separation. A large deck box is useful for nets, cushions, and accessories, but it should not be treated as a chemical cabinet unless its maker confirms that use. Avoid placing chemicals beside metal tools or absorbent items that could become contaminated after a spill. If you need one outdoor storage unit for everything, use a separate, suitable enclosure for chemicals rather than relying on loose dividers.
Match usable capacity to the items you actually store
Capacity figures can make compact and large boxes seem easier to compare than they are: a stated gallon volume does not show the size of the opening, interior shape, or room needed for tall containers. Measure the largest item you plan to store, including its lid or handle, and check the product dimensions before choosing. A 30-gallon box may fit small accessories and a few supplies, while a 150-gallon model is better suited to bulky pool gear and takes up more patio space. Do not fill a box to its limit if you need to lift containers out safely or keep supplies separated. Leave room for access rather than buying capacity you cannot use conveniently.
Read weather claims narrowly
Waterproof, weather-resistant, and UV-resistant descriptions can help narrow choices, but they do not prove that every seam stays dry in every storm or that stored chemicals tolerate outdoor temperature changes. Check the maker’s care and storage guidance, then think about whether the box will sit in direct sun, under an overhang, or in a spot that collects water. A lid that sheds rain can protect pool accessories, yet moisture and heat can still affect chemical containers. Avoid using a general-purpose deck box as a substitute for a designated storage area when a label calls for specific temperature or moisture conditions. For sensitive supplies, indoor storage may be the safer choice.
Choose portability or fixed storage deliberately
A rigid deck box works best when supplies can stay near the pool and the box does not need to move often. A carry tote or chemical caddy is more useful when you bring a small set of tools between storage and the water, though soft-sided portability does not provide the same structure as a hard box. Think about the weight of filled containers before choosing a format that invites carrying. Keep chemical products secured in their original containers during transport, and do not assume a bag designed for tools is suitable for containing leaks. If you need both portability and secure storage, use separate products for each task.
Treat locks as access control, not chemical safety
A lockable lid can reduce casual access, which matters in homes with children, pets, or shared outdoor spaces. A lock does not make a box childproof, prevent spills, or prove that its construction is suitable for chemicals. Check whether the box has a compatible locking point and choose a separate lock only if the maker’s design supports one. Keep hazardous products in their original containers and follow label directions for secure storage even when the box itself locks. For chemicals that require more controlled conditions, use a purpose-built storage solution instead of relying on a patio box.
Compare the footprint, assembly, and placement
Large storage can reduce clutter but may block a walkway, access to pool equipment, or room to open the lid fully. Measure the intended location and the lid’s clearance, not just the box’s floor dimensions. Assembly style and resin construction can affect how easy the unit is to position and maintain, while a compact side-table format may suit a small patio better than a tall or wide chest. Place any storage unit on a stable, level surface and keep it away from drains or spots where leaks could reach the pool. A convenient location should still preserve safe access to equipment and chemical labels.
Frequently Asked Questions
Can I store pool chemicals in a regular resin deck box?
Not automatically. A resin deck box may be intended for patio accessories rather than chemical containers, and its description may not confirm chemical compatibility, ventilation, or safe storage conditions. Check the product instructions and each chemical label before using it for chemicals. Keep chemicals in their original labeled containers and separate incompatible products as directed. If the box maker does not approve chemical storage, use it for pool gear and choose a suitable separate storage location for chemicals.
Is a large box like the Keter Westwood better than a compact 30-gallon box?
It depends on what you need to store and how much patio space you can give up. The Westwood’s 150-gallon capacity can accommodate bulky accessories that would crowd a compact box, while a 30-gallon model is easier to place beside a small pool area. Larger volume does not make a box more suitable for chemicals, though, and it can make supplies harder to organize if the interior is mostly empty. Measure your largest items and the available footprint before choosing. For a small chemical kit, the dedicated caddy may be more practical than either size of deck box.
Should I choose a lockable box if children or pets use the yard?
A lockable lid can add a layer of access control, but it should not be your only safety measure. The Greesum and several other listed boxes describe lockable designs, while the exact locking setup can vary by model. Keep chemicals in original containers, follow label storage directions, and use a lock or storage arrangement suited to the risk in your household. Do not assume a deck box is childproof simply because it can take a lock. If the chemical label calls for a dedicated secured cabinet or other conditions, follow that instruction instead.
Is the two-gallon Pool Chemical Storage Box Caddy suitable for a full pool chemical supply?
It is better understood as a compact option for a limited kit than as bulk storage. Its stated two-gallon capacity may suit a small selection of supplies or a service task, but it cannot be assumed to hold a household’s full range of pool chemicals. Check the dimensions and the shape of your containers, since volume alone does not confirm that they will fit upright. The caddy’s focused format may help with carrying, but it does not replace checking chemical labels for transport and storage requirements. For larger inventories, use a storage arrangement designed around the actual containers and their separation needs.
Should I buy a chemical caddy, a tote, or a hard deck box?
Choose based on the job: a caddy suits a small, portable set, the Joe & JoseRin bag is aimed at carrying tools and supplies, and a hard deck box is better for stationary storage of pool accessories. These formats are not interchangeable, particularly when chemicals are involved. A soft tote should not be treated as leak containment, and a general-purpose deck box should not be treated as chemical-rated without confirmation from its maker. Many pool owners will get a safer, more useful setup by storing accessories in a deck box and keeping chemicals in a separate, suitable location. Let the product labels and manufacturer guidance set the limits.
Conclusion
For most buyers seeking a large place for poolside accessories, I’d choose the Keter Westwood 150-gallon box as the best overall fit in this lineup, while keeping chemicals separate unless its instructions specifically allow their storage. The Devoko 30-gallon and Greesum 31-gallon are value-minded compact alternatives, with the Greesum’s listed lockability a useful distinction. For a premium-style compact option, the Keter Premium Everwood 30-gallon stands out among the smaller resin boxes. Beginners with a small kit may find the two-gallon Pool Chemical Storage Box Caddy easier to understand and manage, provided its capacity matches their needs and its storage use follows product guidance. For carrying tools, choose the Joe & JoseRin tote; for a small patio, compare the Keter City and other 30- to 35-gallon boxes. My main recommendation is to treat these as storage choices with different roles—not assume any general-purpose box is automatically safe for pool chemicals.
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