Obtain test results within 90 seconds Test strips feature bright easy-to-read colors No hazardous reagents These economical water quality test strips are formulated to test tap water, lake or stream water, rain run-off water, or treated water. The multi-test strips come complete with tests for: Free chlorine: 0, 0.05, 0.1, 0.2, 0.4, 0.5, 0.8, 1.0, 2.0, 5.0 ppm Total chlorine: 0, 0.05, 0.075, 0.1, 0.125, 0.15, 0.175, 0.2, 0.3, 0.5, 0.8, 4.0, 10.0 ppm pH: 6.0, 6.5, 7.0, 7.5, 8.0, 8.5, 9.0 Total alkalinity:...