The Planted Tank Forum - View Single Post - Water flow question
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post #11 of (permalink) Old 12-06-2012, 04:53 PM
Algae Grower
Join Date: Sep 2012
Location: Boston, MA
Posts: 40
My eheim cannister filter w/ a lily pipe has a flow rate of 105 gph. It's attached to my 20 gallon long aquarium. But it seems like there are many dead spots particularly below the output towards the middle. Where is the best place to place the input and output? I'm thinking of purchasing a small powerhead to increase circulation.

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