The Planted Tank Forum - View Single Post - question on ferts
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post #4 of (permalink) Old 10-17-2012, 04:39 AM
Planted Tank Guru
Join Date: Jan 2010
Location: Contra Costa CA
Posts: 10,514
If you need to dose a fair amount of KNO3, then the K is probably enough.
In my high stocked tanks I do not need to dose much N, so I use K2SO4 for the K, based on plant deficiency symptoms.
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