Anyone have a DIY recipes for liquid CO2 supplements

jemanser

AC Members
Nov 22, 2005
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ohio
I know there are some CO2 liquid supplements out there albeit expensive(FlorinAxis or Seachem Carbon Source). Has anyone attempted a less expensive DIY recipe for such a product? Does peat moss extract or the use of dried oak leaves provide similar humic substances at the fraction of the cost?
 
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