GLB pH Up Pool Water Balancer 8-Pound 71249

When pH falls below 7.2: while the pump is in operation distribute pH up into the deep end of the pool. For every 10, 000-gallon water, add 1-pound when pH is below; 6.6 3/4-pound when pH is between 6.6 and 7.0; 1/2-pound when pH is between 7.0 and 7.4 Keeping proper pH levels ensures maximum efficiency of pool sanitizers and aids in preventing staining, scaling and clouding of pool water Comparable with chlorine, bromine, ozone, biguanide sanitizers, and salt water pools Measures 9.3-inches in height by 5.9-inches in width by 5.9-inches inches in length