5-in-1 test strips are multi-parameter test strips test offering five water quality measurements on 1 strip.

With Hach water quality test strips, technicians in the field can test many samples in only a few minutes and make immediate evaluations on-site. No measuring, set-up, clean-up, or chemical reagent handling are necessary. Hach test strips are also used in laboratories all over the world for pre-test screening to detect the presence of materials that might interfere with laboratory testing.

Free chlorine (0 to 10 mg/L)
Total chlorine (0 to 10 mg/L)
Total hardness (as CaCO₃, 0 to 425 mg/L and 0 to 428 mg/L)
Total Alkalinity (as CaCO₃, 0 to 240 mg/L)
pH (6,2 to 8,4)