Tag Archives: Softness Tester

อุปกรณ์วัด ISE (Water Hardness/Softness Tester)

HI 98202 Water Hardness/Softness Tester The pNa is an easy to use and inexpensive instrument for determining water hardness or softness. The hardness of water is due to the presence of magnesium and calcium. These make washing difficult, wastes soap, and creates unpleasant scum and scale deposits. With a zeolite system, the calcium and magnesium ions are substituted on a one-to-one basis ... Read More »

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