DetailsThe process a cell uses to convert saltwater into chlorine contributes to higher water pH every time a cell runs. SaltScapes pH Reducer protects your pool surfaces and equipment by lowering pH to the ideal range. It is also a safer option to store and handle than liquid muriatic acid. FOR BEST RESULTS: Broadcast into deep end of pool while not in use and your pump is running. All water to circulate for at least two hours then test for ideal pH of 7.2-7.6.