Boston masterclass announcement! Plus: Water chemistry, again — Scott Rao

The Best Water Quality Test Kit for Your Home - Reviews by Wirecutter

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Simply evaluated New York City water coming out of our pipes (Bklyn to be specific) with a Digital TDS Meter and the reading I got was 21 PPMAfter I Cleansed it I got a tidy reading of 1 PPMAnyone else getting comparable, worse or much better prior to and after?