AutoAqua Smart ATO RO

An ATO specially designed to fill the RO water reservoir from RO or RODI system directly. The kit comes with two duo sensors that provide double protection and avoid TDS creep.

AutoAquaSKU: 4714041212112

- Availability: Backordered
   This item ships or is available for pickup in-store in 3-10 business days after order.
- Ships free on eligible orders *
Sale price$245.01


AutoAqua Smart ATO RO


The touch controller shows the operation status. Built-in QST (Quick Security Technology) provides real-time failsafe protection against failure. There’s no technical jargon or complex menu system.

It features Audible and LED Indicator alarm show what’s happening in your aquarium.


Dual-optical sensors in one tiny package provide dual protection that is a perfect match for both small and big tanks. Integrated magnetic mount with no moving parts to fail. Accurate detecting can keep your aquarium stable.


Everything is included in the package to set up the system in a moment. High-quality parts provide high reliability.



The new jack design can prevent the connectors from getting rusted or a short circuit due to moisture or water spill from the aquarium. It secures better seal tightness and provides great water resistance.

Save Your DI Resin!

Smart ATO RO is a reliable device to fill your RO or RO/DI water reservoir automatically. When the water level falls down to the low-level sensor, it will fill the reservoir up to the high-level sensor. You can avoid TDS creep in the reservoir and always get clear RO or RO/DI water for your aquariums but never have to worry about forgetting to turn off your RO or RO/DI system causing catastrophic floods.

Smart ATO RO comes with two precise dual sensors along with a float ball switch which provides extreme protection to prevent accidental floods. The magnetic-mount dual sensors allow you to set them in a variety of containers effortlessly and are easily to move to another container.


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