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Ingredients / RO Water pH

« on: November 05, 2012, 06:36:00 PM »

I have high mineral water per a test by Ward.  So I bought an RO filter and feed it with softened water per manufacturer's recommendations.  My test papers tell me the softened water pH is >6.2 (paper limit) and the RO water is <4.6 (paper limit again).  Does this make sense that the pH drops so much?  Is water this acidic OK for mashing?

Thanks in advance to anyone responding.
Steve