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Old 14th October 2020, 12:24
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Ron Stringer England Ron Stringer is offline
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Location: Essex, England
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Quote:
Originally Posted by Varley View Post
If one's coffee was even mildly acidic then it would react with the calcium carbonate of the shell and increase the pH.

There is something wrong with that statement David. If an acid combines with an alkali to produce a salt, the resultant pH cannot possibly be lower than that of the acid involved. Otherwise Rennies and Bisodol wouldn't have a business.
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