Sump question?

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2nicewitit

Aquarium Advice Apprentice
Joined
Jul 26, 2008
Messages
45
is it Mandatory to have your tank drilled to have a sump? i mean is it not possible to have water pumped out of the tank and into the sump and then pumped back into the tank? Basically the same concept as a conventional filter? Thoughts?

:)
 
Yes, it's possible and very popular. Use of a Hang-On Back (HOB) overflow like these are how it's typically accomplished. This replaces the need to have a drilled tank.
 
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