misnoma Posted September 7, 2005 Report Share Posted September 7, 2005 Was reading about this in the pico tank thread.. .was wondering what is involved.. Obviously top-off water is just aged freshwater, since the salt doesn't evaporate. So I guess you're basically looking for a sensor of some sort in the top of the tank that detects when the water level drops below normal, which switches a pump of some sort to put more freshwater in (out of a resevoir somewhere). Am I on the right track? or is it more complex than this? Quote Link to comment Share on other sites More sharing options...
Ira Posted September 7, 2005 Report Share Posted September 7, 2005 That's pretty much it. It works better with a sump though, you can design it so the pump chamber has larger differences in height for the amount of water lost so makes it more accurate than you could get in a tank. Mine just switches on an air pump that pushes water out of a 25L jerry can into the tank. Quote Link to comment Share on other sites More sharing options...
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