ato system

I’m running a smart dual sensor ATO. Do you all turn your ato off during a water change to prevent it from turning on? What do you do with your ATO during water changes? Thanks!

Hello Everyone! I have a 13.5 gallon reef fluval Evo tank, i was looking for a decent but not crazy expensive auto top off system, ive done some research but I couldn't find anything good. I was wondering if anyone has had experience with one or know a system which is good and decent?

AutoAQUA Smart ATO Lite brand new never used it $65 shipped

So it’s 2am and I woke up to a waterfall noise my ato has overflowed my tank spilling out onto the floor.On top of that almost electrocuting myself. My salt levels dropped severely lucky I caught it only after a few minutes. I made some emergency saltwater mix and raised my salt levels. My...

Yo yo! Whats up with them ATOs..... Salinity is one of the major parameters within our systems that requires our attention to maintain. Differences in salt mixing procedure and products aside, the one factor affecting salinity that all aquarists have to manage is that of evaporation. It...

Autoaqua AWC Auto Water Changer (Plus ATO) for sale. Approximately 15-months old and is in good working condition. Missing two of the universal tube holders from original package but otherwise intact. One of the DC pumps is brand new as I used a larger pump to move new saltware from basement...

Hello, I bought the XP Aqua Duetto, a Auto Top Off (ATO) for compensate the water evaporation from the aquarium. It's a really tiny device, and do exactly what you need. Its also super precise, and despite what the company said about small aquarium and a tiny overflow, it just work perfectly on...