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At what PPM does Chlorine become unnaceptable to use as water in brewing?
I have a reverse osmosis and deionization unit that filters my tap water from 450PPM TDS to 0 PPM TDS. I have had it for about 3 months and my TDS reader is now creeping up to 3 PPM. I was ...
Dec 25 '15 at 20:32
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