The Planted Tank Forum - View Single Post - potassium carbonate question
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post #4 of (permalink) Old 11-18-2012, 02:26 AM
Planted Tank Obsessed
Join Date: Jul 2009
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Posts: 320
1.2g K2CO3 in 25 litres of water = 2 dKH

By adding K2CO3 to reach 1 dKH, you also get about 13 PPM of K.
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