AutoAqua Smart ATO RO

SKU: 14451
Stock: Limited Stock
$299.95  Inc. GST

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.

Click and Collect Click & Collect also available from our Adelaide store. Usually ready on the same day.

The AutoAqua Smart ATO RO is an automatic top-off (ATO) device designed specifically for RO or RODI systems.
It features two dual optical sensors that provide double protection against TDS creep, ensuring that your aquarium always has fresh, clean water.

The Smart ATO RO also comes with a built-in QST (Quick Security Technology) failsafe system that will prevent flooding if the sensors fail.

The Smart ATO RO is easy to use and install.
The touch controller has a simple LED indicator that shows the current status of the ATO, and there are no complex menus to navigate.
The dual optical sensors are magnetically mounted, so they can be easily moved to different containers.

The AutoAqua Smart ATO RO is a great way to keep your aquarium water topped off and prevent TDS creep.



Touch controller shows 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 are 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 Resin!


Smart ATO RO is a reliable device to fill your RO or RO/DI water reservoir automatically.
When the water level drops below 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 to provide protection and prevent accidental floods.
The magnetic-mount dual sensors allow you to set them in variety containers effortlessly and are easily to move to another container.


  • Smart ATO RO Controller x 1
  • Universal Power Adapter x 1
  • RO Solenoide Valve x 1
  • Float Valve Kit x 1
  • Tubing 9.8 ft (300 cm) x 1



  • Power Input : 100-240 VAC, 50-60 Hz
  • RO Solenoid Valve : 6W @ 12 VDC
  • RO Solenoid Valve : 1/4" RO Tubing Connection
  • Max Mounting Thickness : 1/2 inch (12.7 mm)
  • Max Mounting Thickness : Universal Holder : 3/4" (19mm)