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oil on the water
My water is clear and the tests are all good but i seem to have a layer of oil or scuzz floating on the water. My setup is a 55 gallon with 60 lbs LS 75 lbs LR a seaclone and an Emperior 400 and a couple of powerheads(rio 600). What can i do to get rid of this trouble. I do water changes every 2 weeks about 20%.
Richard
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