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Product EWB21F1 Series Pumps (0.0-1.8 gph, up to 60 psi) successfully added to compare list
Product Calcium Hardness Test Kit EATK3052-Z successfully added to compare list
Hardness Tests
Calcium and Magnesium salts dissolved in water cause hardness which can lead to scale. A standard solution of chelant is used to titrate the hardness in the sample. The indicator changes from red to blue at the titration end point.