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So I just bought an auto top-off system on eBay for about 50 bucks. Has anyone ever seen this system before? I plan on setting it up on my 10 gallon reef tank. Here's the pic - no brand name that I could find.
Yea it does. If you look at the picture the water sensor is the white thing with the float switch. I thought if try it out at least. Might work out really well.