ATO Units

The ReefCan Reservoir
More RO water for less floor space.
The ReefCan 18 can supply the ATO of a 200-litre tank with enough water for about a week.
Fits in the sump cabinet or behind the tank, and be…

AutoAqua Smart ASOV (Automatic Shut Off Valve) is a unique electronic float valve kit for all kinds of reservoirs.

The AutoAqua Smart ATO RO is an automatic top-off (ATO) device designed specifically for RO or RODI systems.
It comes with two duo sensors which provides double protection and avoid TDS creep.

The Smart ATO nano HOB (Hang-on-Back) Auto Top Off (SATO-270D) is a compact and easy-to-use auto top off system for nano and pico aquariums under 189 Litres.

Smart ATO Lite G2 is a compact auto top off system for both nano and medium aquariums.

Exceptionally reliable and smart ATO, temperature monitor and leak detector

Smart AWC Duo, an innovation efficient system that will automate the whole tank maintenance process for you.