The Planted Tank Forum - View Single Post - dry fert questions
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post #8 of (permalink) Old 01-19-2013, 05:12 PM
Planted Tank Guru
Join Date: Jul 2010
Location: Oregon
Posts: 2,836
Originally Posted by urb77 View Post
What kind of Potassium?
Normally people use k2so4 to dose potassium
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