Reducing Flow with Sponges(?)

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francis

Aquarium Advice Freak
Joined
Jan 16, 2011
Messages
375
Location
California
Hi I was trying to find a way to reduce my 2 powerheads flow to something more softer, I bought them used but I believe they are two 950 gph powerheads and they seem a bit strong for my 40 gallon.

I heard that I could reduce the flow with sponges and I was wondering if anyone could clarify how to do that.

Hydor Koralia 1 Circulation Pump/Powerhead UL 400 gph

That one is not my exact powerhead but the cover is very similar. I would have liked to put a T attachment on it but I didn't know how I would get an attachment for that
 
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