yeah, I want to do it with two. but my problem is I am running this in a small tank with no sump. I keep my tank filled to the top, there is no way to add the second switch to the display and get it to be at a safe level to stop the pump unless its sticking out of the tank, at that point it would be already overflowing.
Im using a rio 600 pump since I have to lift the water about 5 ft up.
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