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Re: [APD] chemical query

Stuart Halliday wrote:
> Is there much difference to using potassium carbonate verses potassium 
> bicarbonate in planted aquariums to buffer my soft water and add potassium.

Shouldn't. In acidic water, carbonate should become bicarbonate. All 
bicarbonate is is carbonate with a hydrogen ion attached. That means 
adding carbonate will eat up some acidity in your tank by taking up free 
H+ ions.

KCO3 + H+ => KHCO3.

"Drilling wells is boring."

Jerry Baker
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Aquatic-Plants at actwin_com