Water Hardness Test Strips - Quick and Easy Testing
Water Hardness Test Strips, Best Test Kit for Testing Hard and Soft of Water, Easy Use to Test Total Hardness, Water Softener, Dishwasher, Spa and Pool Water, ect. Ranging from 0-425 ppm, 100 Pcs BOSIKE Water Hardness Test Strips, 150 Sticks Water Test Kit for Pool/Spa/Hot Tub/Fish Tank/Drink Water, Accurate Total Hardness and pH
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