How Deep Should Water Be On Elbow Of Undergravel Filtration System In Fish Tank?
20 gallon hex tank – underground water filtration system (LEE) with tubes going up to top with elbows connecting …. should these elbows be submerged? depth of water on elbows?
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October 29, 2009 @ 12:45 pm
i usually keep them about 1” below the surface, but a powerhead operated RUGF (reverse under-gravel filter) with a good HOB or canister filter would work much better..
then again so would a non-hexagonal tank
October 29, 2009 @ 4:34 pm
To properly aerate or move the surface of your tank’s water, the elbow of an undergravel filter should be JUST BELOW the surface of the water so the water-bubble stream that exit the elbow just skim the water’s surface.
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