ato or no ato

[GreenSpottedPuffer]

I use the JBJ one and IMO is one of the more important pieces of equipment on a tank. Keeps everything stable, keep water level the same for your skimmer, ect.

Mine is as simple as having the float valves in the sump at the level I want the water and then a 30G garbage can behind my stand. RO water that is pumped into the sump through tubing with a maxijet 1200 when the float valve trips. Thats it. I fill up the garbage can about once every week and a half or so. I tend to just top it off randomly but it nice not to have to worry about top off water all the time.