Bulk Water Hardness 35 Pack Test Strips, 15 Second Results Reading from 0ppm to 500ppm

100% AUTHENTIC FROM USA

FAST ACCURATE RESULTS: Get your results back in 15 seconds.

COMPARE TO RESULTS: Our strips go from 0ppm (0 grains) all the way to 500 ppm (30 grains) hardness

PACKED WITH FRESH LOCK BAG: Our seal-able pouch includes a desiccant for ultimate freshness.

MADE IN THE USA: Our strips are made here in the USA to ensure the highest quality production.