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water testing, and a chemistry lesson
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26-02-2003, 11:43 PM
David Lloyd
Posts: n/a
water testing, and a chemistry lesson
tose (LeighMo) wrote in message ...
Dissolving CO2 in water increases bicarbonate concentration, so why
would it not increase KH?
Okay, I think I understand what you're asking. Sorry, I think we hit one of
those "two nations separated by a common language" potholes in the earlier
post. g When you said "bicarbonate," I thought you meant baking soda, since
bicarbonate means baking soda in many parts of the U.S.
CO2 added to water mostly stays CO2. A fraction of a percent of it becomes
carbonic acid, and that's what causes the pH drop. It doesn't affect KH, as we
measure it, anyway.
For chemistry meeps:
http://www.thekrib.com/Plants/CO2/alkalinity.html
http://www.thekrib.com/Plants/CO2/kh-ph-co2.html
Got you. I will read these when I can find a moment, thanks.
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