MMK SCIENTIFIC Residual Chlorine Testing Reagent: Easily measure chlorine residual water for drinking water, purification, pool, aqua oum, etc., and it is useful for hygiene management. 2016 Edition Dialysis Liquid Water Quality Standards (Japan Dialysis Medicine Association) Useful for measuring the total residual chlorine concentration of water for dialysis Examples for managing residual chlorine: Normal drinking tap water Release residual chlorine: 0.1 mg/L or above (bonded residual chlorine : 0.4 mg/L or above), Upper limit (target value): 0.3 oz (1 mg/L) swimming pool and swimming pool 0.4 mg/L or less than 1.0 mg/L. Bathtub water (public bathroom) Usually maintains 0.2 or 0.4 mg / L and does not exceed a maximum of 0.04 mg / L. Dialysis Water Total Residual Chlorine Less than 0.1 mg / L (Directions) In a transparent cup of water you want to test about 3.5 - 5.3 fl oz (100 - 150 ml) of water and dissolve 1 package. It will turn pink if chlorine remains. The pink color changes proportionately to the concentration of chlorine When the inspection water turns pink, chlorine is contained in it, so there is no need to use a color chart.