Review on FZone Smart ATO Aquarium Auto Top Off Water Refiller System with Triple Sensors and Intelligent SPT Algorithm by Holly Rivera

I've been using this ATO for a little over 6 weeks and so far it has met all my expectations. The pump easily pumps water about 5 feet from my tank to the top of the tank (I have an AIO). The instructions were clear. But it's not clear. I may have overdone the initial calibration steps, but in the end I just placed the sensors where I wanted the line to be full while the water was pumping. Worked for me and has worked ever since. I can confirm the alarm works when the tank is empty and I can confirm it's very annoying at 3am. The good thing is that this is the second FZone product I've bought and I'm very happy with it. I highly recommend