Pool water must be maintained in an alkaline condition as indicated by a pH of not less than seven and two-tenths (7.2) and not over seven and eight-tenths (7.8). The total alkalinity of the water should be within the acceptable range of eighty (80) parts per million (ppm) to two hundred (200) parts per million (ppm). An accurate pH testing kit must be provided at each pool.
Idaho Admin. Code r. 16.02.14.226