Water Hardness Conversion Chart

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Water hardness conversion chart. Most times the colors displayed depend on the brand of your water testing kit. No of persons 75 gallons no of gpg mg lit iron total grains to be removed per day. Lenntech european head office distributieweg 3 2645 eg delfgauw the netherlands phone. Water hardness conversion table ppm mmol l mg l french degrees german degrees grains per gallon degrees clark 1 is 0 0099 1 0 1 0 056 0 058 0 07 10 is 0 099 10 1 0 56 0 58 0 7 14 3 is 0 142 14 3 1 43 0 8 0 84 1 17 1 is 0 169 17 1 1 71 0 96 1 1 2 17 8 is 0 176 17 8 1 78 1 1 04 1 25.

As a general rule for classification of hardness water having hardness below 60 ppm is considered as soft water 61 ppm to 120 ppm as moderately hard. If hardness is in mg l or ppm convert it into gpg by dividing it with 17 1. Water hardness level by city ontario. 31 152 616 289 e mail.

Canada alberta british columbia manitoba newfoundland new brunswick nova scotia ontario quebec saskatchewan pei city name province hardness mg l hardness grains gallon source. 31 152 610 900 fax. 0 50 ppm. If used properly your treated water should have a hardness reading of 0.

201 275 ppm. Water hardness level by city ontario. A grain of water hardness is comparable to 1 7000th of a pound. Treated or softened water 0 1 gpg total grains x 17 1 equals ppm slightly hard 1 2 gpg total grains x 17 1 equals ppm medium hard 3 7 gpg total grains x 17 1 equals ppm hard 7 10 5 gpg total grains x 17 1 equals ppm.

For untreated water expect higher values of up to 425.