Thread: How measure PH?
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Old 02-22-2008, 03:56 PM
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Quote:
Originally Posted by Brent F View Post
I'm not looking at controlling PH. I'm trying to determine which product to use to raise alkalinity. Some, such as baking soda, lower PH while many comercial products raise it. I was trying to determine whether a product that raised PH or lowered it would be beter to use.
Holmes-Farley did an excellent article on the affects that alkalinity supplements have on pH. This should answer your question.

Here's the article:
http://www.advancedaquarist.com/issues/may2002/chem.htm
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