Fzone Aquarium Smart ATO Lite – Dual Optical Sensor Auto Top Off System, 74GPH Pump

Keep your saltwater or freshwater tank stable with the Fzone Smart ATO Lite.

Dual optical sensors detect water level precisely, and the 74GPH pump kicks in to top things off.

Max head height is 6.56 feet, runs on 12V, and works with all water types.

Brand new, unopened, no UPC.

No more manual top-offs or salinity swings—just set it and forget it.

Whether it’s a nano reef or a planted tank, this little unit does the work so you don’t have to.