The Planted Tank Forum - View Single Post - potassium liquid fertilizers
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post #5 of (permalink) Old 06-04-2005, 01:40 AM
Rex Grigg
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Join Date: Dec 2002
Location: Portland Orygun
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Go to www.hydroponics.com and buy some Potassium Sulfate. Then use Chuck Gadd's calculator to figure out the dosing. Or ask here.
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