water flow under false bottom?

Smoke-Town

New Member
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41
Location
NY
Hi I'm building my first vivarium in a 55 gallon tank And Iwill have a layer of eegg crate across the whole tank on 1/2" cut PVC pipe pieces. So there is a half inch of water spanning the entire bottom of the tank. I will have a small pond and pump but the pump will just be for the waterfall and not really affect the movement of the underwater.

So my question is will I also need a circulation pump just to create a stronger current down there to keep the water good or should I just drain and replace the water more often? Or filter it?
 

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