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01-03-2015, 01:35 AM
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#11 |
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Twice a Lifer
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Stomach acid is mostly HCl, much stronger acid and more concentrated than vinegar's acetic , and at pH of 4.5-6.o, coffee is also on the weak side--though I've read it can contain a medly of thirty different acids! I'm glad my morning Java is safe enough
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