Sensafe (481108) Total Hardness; 30 Test Strips 20 inch x 2.5 inch Filters2042 Specialized carbon block formula targets

Specialized carbon block formula targets and reduces lead contamination in addition to standard filtration

carbon adsorption

WB-HB-20-5W

✓ OEM Hanna formulation ✓ Maintains probe accuracy ✓ Easy refill procedure

but always have a towel ready to catch residual water in the cartridge body

Sensafe (481108) Total Hardness; 30 Test Strips 20 inch x 2.5 inch Filters2042 Specialized carbon block formula targetsSensafe 481108 Total Hardness Test Strips Quick read water hardness testing for residential, educational, and pool applications 30 Test Strips 30 Second Results 0 1000 ppm Range No Equipment Required The Sensafe 481108 Total Hardness Test Strips measure calcium and magnesium content in water from 0 to 1000 ppm with a simple one dip procedure. Ideal for testing drinking water, pool and spa water, or teaching chemistry principles without expensive lab