The Ultimate Compact Reef or Freshwater Setup
Discover the simplicity and brilliance of theWaterbox AIO 35.2(All-In-One) aquarium. Designed for both the dedicated reef keeper and the passionate freshwater enthusiast, the AIO 35.2 integrates high-performance filtration seamlessly into the tank’s back, delivering a clean, minimalist aesthetic without compromising on water quality or performance.
This system is the perfect choice for aquarists seeking a premium, yet manageable, 33-gallon display.
Key Features and Benefits
- Integrated All-In-One Design:The filtration chambers, overflow, and return system are discreetly housed in the rear of the tank, eliminating the need for an external sump and plumbing, and maximizing your display space.
- Ultra-Clear Glass Display:The tank is constructed with8 mm Ultra-Clear Glasspanels, ensuring maximum light transmission and a crystal-clear viewing experience of your aquatic environment. All panels are precision-bonded with high-strength silicone for exceptional durability and a watertight seal.
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Complete Filtration Media Included:Get a head start on your water cycling with the included premium filtration package, featuring:
- Filter Socks:To trap fine particulate matter, uneaten food, and organic waste, maintaining pristine water clarity.
- Ceramic Rings:For a large surface area dedicated to crucial biological filtration.
- Carbon Pellets:To chemically polish the water by removing impurities, odors, and discoloration.
- Optimized Water Flow:The system includes anAdjustable Return Nozzle, allowing you to fine-tune the multidirectional water flow within the display to eliminate dead spots and ensure optimal circulation.
- Stability and Protection:A stabilizingLeveling Matis included to prevent pressure points and ensure the aquarium’s weight is spread evenly across your stand or surface.
- Versatile Setup:Ideal for bothSaltwater(Nano Reefs) andFreshwater(Planted Aquariums, Aquascapes) systems.
- Optional Premium Cabinetry:Elevate your setup with an available sturdy cabinet (in White, Black, or Aspen finishes), featuring water-resistant laminated OSB and adjustable leveling feet for a perfectly balanced and professional appearance.
- Peace of Mind:Backed by a comprehensive3-Year Waterbox Warrantyagainst defects in materials and workmanship.
Technical Specifications
| Product Model | AIO 20 Cube | AIO 25 Peninsula | AIO 35.2 | AIO 50.3 | AIO 65.4 | |
|---|---|---|---|---|---|---|
| Aquarium | Dimensions (LxWxW) | 450 x 450 x 400mm | 600 x 400 x 400mm | 600 x 500 x 450mm | 900 x 500 x 450mm | 1,200 x 500 x 450mm |
| 17.7″ × 17.7″ × 15.7″ | 23.6″ × 15.7″ × 15.7″ | 23.6″×19.7″×17.7″ | 35.4″×19.7″×17.7″ | 47.2″×19.7″×17.7″ | ||
| Tank Volume | 76 L | 90 L | 125 L | 186 L | 249 L | |
| 20.0 gals | 23.7 gals | 33 gals | 49.1 gals | 65.8 gals | ||
| Glass Thickness | 6mm (1/4″) | 6mm (1/4″) | 8mm (5/16″) | 10mm (2/5″) | 10mm (2/5″) | |
| Aquarium Weight | 17.5 kg/39 lbs | 21 kg/46 lbs | 33 kg/73 lbs | 52 kg/115 lbs | 56 kg/123 lbs | |
| Front & Sides | Ultra-clear Low Iron glass (front and sides) | |||||
| Transmittance | 91% | |||||
| Filtration Compartment (Int. Dimensions) |
438 x 80 x 387mm | 388 x 80 x 387mm | 584 x 120 x 435mm | 880 x 120 x 433mm | 1180 x 120 x 433mm | |
| 17.2″ × 3.1″ ×15.2″ | 15.3″ × 3.1″ × 15.2″ | 23″ × 4.7″ × 17.1″ | 34.6″ × 4.7″ × 17″ | 46.5″ × 4.7″ × 17″ | ||
| Filter Sock Chamber (Int. Dimensions) |
80 x 80 x 387mm | 80 x 80 x 387mm | 81 x 120 x 435mm | 81 x 120 x 433mm | 161 x 120 x 433mm | |
| 3.1″ × 3.1″ × 15.2″ | 3.1″ × 3.1″ × 15.2″ | 3.2″ × 4.7″ × 17.1″ | 3.2″ × 4.7″ × 17″ | 6.3″ × 4.7″ × 17″ | ||
| Media/Skimmer Chamber (Int. Dimensions) |
200 x 80 x 387mm | 173 x 80 x 387mm | 101 x 120 x 435mm | 154 x 120 x 433mm | 150 x 120 x 433mm | |
| 7.9″ × 3.1″ ×15.2″ | 6.8″ ×3.1″ × 15.2″ | 4″×4.7″×17.1″ | 6.1″×4.7″×17″ | 5.9″×4.7″×17″ | ||
| Pump Chamber (Int. Dimensions) |
80 x 118 x 387mm | 80 x 95 x 387mm | 140 x 120 x 435mm | 300 x 120 x 433mm | 221.5 x 120 x 433mm | |
| 3.1″ × 4.6″ × 15.2″ | 3.1″ × 3.7″ × 15.2″ | 5.5″×4.7″×17.1″ | 11.8″×4.7″×17″ | 8.7″×4.7″×17″ | ||
| Directional Nozzle (Thread Size) |
1 x M14 (14mm), Flare | 1 x M20 (20mm), Y-shape | 2 x M20 (20mm), Y-shape | |||
| Return Hose | lD: 12mm OD: 16mm | lD: 12mm OD: 16mm | lD: 18mm OD: 24mm | |||
| Pump | AP-1500 | n.a. | ||||
| Pump Flow | 1000 LPH/265 GPH | n.a. | ||||
| EVA Mat | x 1 | x 1 | ||||
| Filtration | 225 Micron Filter Socks | 1 x 70mm/2.75″ FELT | 2 x 70mm/2.75″ FELT | 2 x 70mm/2.75″ FELT | 4 x 70mm/2.75″ FELT | |
| Filtration Sponge | x 2 | x 4 | x 4 | x 4 | ||
| Activated Carbon | 150g | 2 x 150g | 2 x 150g | 3 x 150g | ||
| Ceramic Ring | 300g | 2 x 300g | 2 x 300g | 3 x 300g | ||
| Cabinet (optional) |
Cabinet Model | PB 1818 | PB 2416 | OSB 2420 | OSB 3620 | OSB 4820 |
| Dimensions | 450 x 450 x 810mm | 600 x 400 x 810mm | 600 x 500 x 900mm | 900 x 500 x 900mm | 1,200 x 500 x 900mm | |
| 17.7″×17.7″×31.9″ | 23.6″×15.7″×31.9″ | 23.6″×19.7″×35.4″ | 35.4″ × 19.7″ × 35.4″ | 47,2″ × 19.7″ × 35.4″ | ||
| Material | 18mm PVC Laminated Wood Oriented Strand Board | |||||
| Door(s) & Side Panels | ||||||
| Bottom Panels | ||||||
| Back Panels | ||||||
| Cabinet Weight | – | – | – | – | – | |
| Color | White/Black/Aspen | WHT-White, BLK-Black, ASP-Aspen |






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