Description
An auto top-off with a dual optical sensor and a small diaphragm pump. It adds fresh water to replace evaporation and keeps salinity steady.
- Dual optical sensor on a magnetic mount for glass up to 1/2 in
- Diaphragm pump: 3.2 gph, lifts water up to 6.5 ft, with anti-siphon valve
- Sound and light alarm if something fails
- Includes controller, 12 V adapter, pump and holder, prefilter and 6.5 ft tubing
- Pump mounts on rimmed or rimless tanks, a wall or the stand
Shipping See current rates and ship days.
Shipping & Returns
- Equipment and dry goods ship at their own rate. Free shipping at $349 or more applies to qualifying livestock only — corals, fish, inverts and live copepods. The $10 box & handling fee is a livestock packing fee and does not apply to dry-goods orders.
- All sales are final on equipment and dry goods. We are a retail store, not the manufacturer.
- Register your product with the manufacturer and keep your receipt — their warranty is how a faulty unit gets replaced, and they are faster at it than a shop could be.
- Not sure who to contact for a warranty claim? Call us and we will point you to the right place.
Ships from our Key West store · (305) 850-9949









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