05-09-2010, 12:35 AM
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how to make AC powerhead 70 aerate more?
i have an aquaclear powerhead 70 with quick filter attachment and it seems to have trouble aerating...the spout/outlet is roughly 5-6" below the surface and is having trouble...it aerates fine when near the surface (hang on back bracket)...
so, ive experimented and started to cut roughly 1/2" of tubing at a time to see if it would promote the "venturi effect." am i wrong to assume that the less amount tubing, the easier it is to suck air? also, i am aware that i can modify my powerhead, but i expected a powerhead rated for 70+ gallons would be able to handle aeration on bottom of a regular sized tank...any tips? is there something im missing?