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: 0, 80, 120, 180, 240, 360
Total hardness: 0, 50, 120, 250, 425 ppm