The Fiji Cube Fiji-20 PRO Advanced Reef Sump (2nd Gen) is a premium, all-in-one filtration solution engineered for serious reef enthusiasts. Built with high-quality cast acrylic and featuring an integrated automatic filter roller, this sump provides robust mechanical and biological filtration, maximum equipment potential, and a clean, quiet, and user-friendly experience.
Key Features of the PRO Advanced Reef Sump
- Integrated Automatic Filtration (PRO Feature):ThePROversion comes standard with theFiji Cube Automatic Roller Filter System (ARF-20). This system includes an 82-foot roll of 20-micron fleece that automatically advances upon detecting clogs, eliminating the need for messy, manual filter sock changes.
- Superior Construction:Constructed from high-quality full cast acrylic with rounded corners for robust strength and longevity. A full top support brace prevents bowing over time, even in humid sump environments.
- Adjustable Water Level:The water level in the skimmer, refugium, and equipment compartments is fully adjustable from5 inches to 12 inches, allowing you to fine-tune the depth to meet the exact requirements of various protein skimmer models.
- Quiet Operation:Features a dedicated, quiet water flow operation design where the water drains into a separate compartment before mechanical filtration, significantly reducing noise.
- Refugium Ready:Includes a designated refugium compartment perfect for cultivating beneficial macroalgae (like Chaetomorpha) or copepods to naturally reduce nuisance nutrients (ammonia, phosphorus) and support healthier fish.
- Noise and Evaporation Reduction:Comes complete with a laser-cutPolycarbonate Sump Cover/Lidto minimize water evaporation and reduce salt creep on surrounding equipment.
- Maximum Convenience:The sump includes removable brackets and holders for essential equipment, such as aHeater Holder Bracket, Test Probe Holder Bracket, and Dosing Tube Bracket.
- Includestwofilter fleece rolls
Specifications (Fiji-20 PRO 2nd Gen)
| Specification | Detail |
| Model | Fiji-20 PRO Advanced Reef Sump (2nd Gen) |
| SKU | FIJI-20 PRO |
| Overall Dimensions (L x W x H) | 20″L x 15″W x 16″H |
| Recommended Tank Size | 60 Gallons to 100 Gallons |
| Skimmer Chamber Dimensions | 14.2″L x 8.1″W |
| Refugium Section Dimensions | 5.2″L x 5.8″W |
| Return Pump Section Dimensions | 8.1″L x 5.8″W |
| Water Level Adjustment Range | 5″ to 12″ |
| Mechanical Filtration Options | Integrated Automatic Roller Filter System (ARF-20)ORconvertible to dual 4″ Filter Sock Holders (sock holder included). |
| Drain Input Size | 2 x 1″ |
| Construction Material | Full Cast Acrylic with Top Support Brace |






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