Swimming pool test 3 in 1 (Tube of 50 test strips)

• Yields accurate testing results within 10 minutes

• Gradation (Ozone): < 90 - 90 to 150 - 150 to 210 - > 210 ug/m3 O3

• Color change (Ozone): white to brown

• White paper turns blue-violet in the presence of chlorine

• Gradation (Chlorine): 10 - 50 - 100 - 200 m

• Gradation (Cyanuric acid): 0 - 50 - 100 - 150 - 300 mg/L Cya

• Gradation (Fluoride): 0 - 2 - 5 - 10 - 20 - 50 - 100 mg/L F-

• Color change (Fluoride): red to white

• Shows the relative humidity of the surrounding air from 20-80%

• Gradation (Humidity): 20 - 30 - 40 - 50 - 60 - 70 - 80% relative humidity

• Length: 100mm

• Width: 50mm