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sump with no overflow?

10K views 3 replies 4 participants last post by  donkey 
#1 ·
i really want to make a sump/refugium, but i have heard that if you have an overflow, and the power goes out it will over fill you sump and will flood your house? is there a way you can run a overflow and have something to keep your sump from over filling if the power does go out? and my other question is that can you use a pump insted of an overflow? so that i wouldnt have to worrie about it over filling and flooding? or would that not work? the sump wouldnt be mainly for filtration as for more as a place to put everything so its not in my main tank and to set up a refugium:-D
 
#3 ·
Ditto what onefish said. I am going to add that if you don't match the gph going in exactly to the gph going out, you will have a flood. Use a siphon overflow like the CPR CS series. These are equipped to start the siphon in case of a power outage or any other problem. Let it be known that these can too fail and your best course of action is a drilled overflow.
 
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