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The Loach Forum Archives (2)
Flow rate calculations.
Posted By: Martin Thoene <firstname.lastname@example.org>
Date: Sunday, 31 October 1999, at 2:33 p.m.
Dave, I've gone for just the 2 longitudal tubes as well. I put the manifold into the tank testerday. Retro-fitting one of these is FUN! Trying to get the thing uniformally buried under the gravel is not one of my favourite fishkeeping experiences.
Today, I had a flash of inspiration and popped 2 lengths of pipe into the vacant powerhead T-pieces, shoved an airline down each and instantly (well nearly) had an air operated system. It'll do till I get the powerheads.
I did some calculations based on a 48"x15"x12" using 2 Aquaclear 402's.
Tank holds 28 Imp. Gals, 36 USG, 126L.
2 x 402's will turn that over 18 times per hour. My Rive