The Planted Tank Forum - View Single Post - Brown diatoms in mature tank (ARGH!)
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Old 09-28-2012, 06:37 PM   #3
BruceF
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My take these days is clean, clean, clean. Especially the filters. I added some kno3 and phosphate two weeks ago and the next day the plant leaves were coated in brown slime. No fish. No co2. I don't know how you are running your tank so perhaps you have some other problem. For me keeping things clean, not adding too much n,p,k and a decent amount of flow works pretty well.
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