If you wire up 2 floats, one that is in water that controls whatever ATO you choose. Then the other, is a HIGH LEVEL that will shut it all down. Thje high level will NOT be in the water, so wont get salt creep or buildup. Will allways be ready and working. My ATO consists of a $20 Omron timer and 2 floats, all from ebay. Works great and never had a problem.
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Dan Pesonen
Umm, a tank or 5
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