R 325.2159 Chemical test equipment.

Rule 59. (1) A swimming pool owner shall provide, at a swimming pool, equipment for testing the disinfectant residual, the pH, and any other chemical characteristics of the water determined by the department to be important in the control of water quality which may include total alkalinity, calcium hardness, total dissolved solids, and cyanuric acid levels. (2) A swimming pool owner shall ensure that a chemical test kit meets all of the following requirements: (a) Is durable under normal pool use and storage conditions. (b) Has an appropriate range of accuracy. (c) Has fresh reagents. (d) Is safe and simple to use. (3) A swimming pool owner shall ensure that the pH test kit standards range from 6.8 to 8.0. (4) A swimming pool owner shall ensure that the disinfectant test kit standards range from 0.0 to 5.0 mg/l or higher and are readable to the nearest 0.5 mg/l. (5) A swimming pool owner shall use the n,n-diethyl-p-phenylenediamine (dpd) indicator or other generally accepted standard method for determining the disinfectant residual. (6) When a cyanurate is used for disinfectant stabilization, a swimming pool owner shall provide test equipment for the cyanuric acid level.