![Hardness Test Strips (12 pack) (FAL-WT-HTS-12)](http://www.watersafesystems.com/cdn/shop/products/test_strips_1024x1024.jpg?v=1456775353)
Hardness Test Strips (12 pack) (FAL-WT-HTS-12)
$ 32.70
Twelve individually foil wrapped strips test for hardness in parts per million (ppm) and grains per gallon (gpg) in about 15 seconds.