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	Potassium for plants
gmonster Hobbyist Posts: 54 Kudos: 40 Votes: 1 Registered: 26-Mar-2004	I was wondering if i could use KHCo3 - potasssium bi carb for my potassium source instead of kh2so4? Its used too make soda water. It does raise ph but not at these small doses i tested it at 1/4 tsp in 200lt tank ...and it had no change for pH. Would the carbon also be beneficial for plants?
Posted 21-Feb-2006 20:49
mattyboombatty Moderator Tenellus Obsessor Posts: 2790 Kudos: 1507 Votes: 1301 Registered: 26-Mar-2004	Edited by mattyboombatty The bicarbonate is a form of carbon I think the plants will not use. Also the Bicarbonate will build up over time, causing changes in your water chemistry, one dose won't do anything, but 10 might. I wouldn't use that as your source for potassium. KH2SO4 is available cheaply at greg watson's website and is what I use. Critical Fertilator: The Micromanager of Macronutrients
Posted 21-Feb-2006 22:15
clownloachfan Fish Addict Posts: 660 Kudos: 850 Votes: 115 Registered: 10-Oct-2003	I agree -i use seachems potassium(K3O i think). I think it is supposed to help with the absorption of nutrients.
Posted 21-Feb-2006 22:30


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