Gxsf30h 30 000 Grain Water Softener

REGION OF WATERLOO
Residential Water Softener Performance Study 3 1 grain = 0.0648 grams; 1 grain per U.S. gallon = 17 mg per litre (or ppm) of hardness (calcium Medallist Series Automatic Water Conditioner, Model: Plus 30 … View Full Source

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