The Planted Tank Forum - View Single Post - When Is Potassium Sulfate Needed?
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Old 01-24-2013, 02:19 PM   #2
Rainer
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I use it as K supplementation in my occasionally high light tank. Sometimes P and N levels rise higher than I'm comfortable with, so I burn them off (don't dose). Since I've seen signs of K deficiency when doing this and it's apparently nontoxic to inverts and fish, I now dose KSO4.
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