• Allows the quick and easy determination of the water quality in swimming pools
• Measures free chlorine, total chlorine, alkalinity, total hardness and pH
• Gradation (Alkalinity): 0 - 80 - 120 - 180 - 240 mg/L CaCO3
• Gradation (Free chlorine): 0 - 0.5 - 1 - 3 - 5 - 10 mg/L Cl2
• Gradation (pH): 6.4 - 6.8 - 7.5 - 7.6 - 8.4
• Gradation (Total chlorine): 0 - 1 - 3 - 5 - 10 mg/l Cl2
• Gradation (Total hardness): 0 - 100 - 250 - 500 - 1000 mg/l CaCO3
