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by Scottie
on 9/18/2010
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I was having problem with my sump/refugium where it either ran to low or to high. I was constantly making micro adjustments on my systems ball valves. But nothing worked. Then I found this little dream. Its self explanatory and installed in seconds. Keeps my sump within 1 inch of where I want my water level. I intend on replacing the suction cup with a magnet just for personal insurance. The true test will be how long it lasts. Recommended!
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