In-store pickup only.
The Red Sea ReefCan 18L is a space-saving vertical water reservoir designed for RO/DI top-off storage in reef systems. With a 4.8 gallon capacity and a precisely embedded water-level scale, it keeps your aquarium topped up without crowding your cabinet.
Built to work seamlessly with the Red Sea ReefATO+ auto top-off system, the ReefCan 18L fits tucked into tight cabinet spaces and features front and rear openings for clean routing of tubes and cables.
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Features
- Space-saving vertical design — tucks into unused cabinet space
- 4.8 gallon (18L) capacity for RO/DI top-off water
- Durable transparent body with embedded water-level scale
- Front and rear openings for easy tube and cable routing
- Purpose-built to pair with the Red Sea ReefATO+ system
- Secure twin cap design for quick filling and maintenance
- Suitable for saltwater and freshwater aquariums
Specifications
| Brand | Red Sea |
| Product | ReefCan 18L Auto Top Off Reservoir |
| Capacity | 4.8 gallons (18 liters) |
| Suitable For | Freshwater & Saltwater |
| Compatibility | Red Sea ReefATO+ system |
| Condition | New |
FAQ
Does the ReefCan 18L include an ATO pump?
No. The ReefCan is a reservoir only — it is designed to pair with the Red Sea ReefATO+ auto top-off system (sold separately).
Can I use this with freshwater tanks?
Yes. The ReefCan 18L works equally well as a freshwater top-off reservoir.
What are the front and rear openings for?
They allow clean routing of ATO tubing and sensor cables, so the reservoir sits flush against cabinet walls.
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