Hardness Test Strips

The water hardness test strips measure Total Hardness in the range of 0 to 26 grains per gallon (0-425 parts per million, ppm).  Calcium hardness is reported in milligrams per liter calcium (mg/l).  Less than 100 mg/l calcium is recommended; otherwise the performance of polymer and Bentonite drill fluids is restricted and delayed.  Treat out excess calcium by adding M-BOOSTER® (Soda Ash) to the mix water prior to the start of mixing.

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