TEST STRIPS WATER HARDNESS DETERMINATION ALLOWS FOR 50 TESTS
FEAT
SPECIAL FEATURES
SOFCHECK DESIGN; WATER HARDNESS TEST STRIPS; USED TO MEASURE TOTAL HARDNESS OF WATER (0-425 PPM OR 0-25 GRAINS PER GALLON) IN 15 SECONDS; STRIPS ARE PACKAGED IN BOTTLES OR INDIVIDUALLY WRAPPED; COLOR CHART INCLUDED ON THE BOTTLE LABEL; ALLOWS FOR 50 TESTS