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On my quest to reduce microbubbles entering the sump i have designed my 6th modification to my 30 gallon rubbermaid sump. The return flows into a rubbermaid container which contains micron pad on the bottom and floss on the top. It then drains down through holes in the bottom to another...

heres the problem i am getting micro bubbles coming from my mega overflow return in my 75 gallon tank.my original set up was a posideon pump 700gph with the shut valves i used a filter sock and every thing i could think of still got the bubbles, i even got rid of the lock line the black flexible...

ok here is my 7th post on this topic on many diffrent sites no solutions yet. quick background. i moved from a 38 to a 75 gallon tank 3 weeks ago. have been getting constant microbubbles in the tank,it is not from the sump or powerheads or any equipment. i turn off all flow and 4 hours later i...