The Planted Tank Forum - View Single Post - Where to get KNO3
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post #8 of (permalink) Old 01-21-2013, 11:40 PM
Planted Tank Guru
Kathyy's Avatar
Join Date: Feb 2010
Location: Newbury Park, CA
Posts: 3,957
My potassium nitrate is in an old Green Light Stump Remover jar which I bought at a good nursery, HD and Lowe's don't carry it. Be warned, it costs twice as much as buying online. My jar cost $8 for a pound and online it costs $3 a pound.
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