CG> I need a list of common chemicals around the house that
BL>Try putting your tester in a strong solution of baking soda to water,
BL>also maybe a cola drink.
Bob, thanks for this. Can you tell me what pH should be reading 
in these solutions?
Christopher.Greaves@CapCanada.Com    www.interlog.com/~cgreaves
 * 1st 2.00b #6263 * Conserve Entropy
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