SaltScapes Saltwater Pool Care - pH Reducer BioGuard SaltScapes Saltwater Pool Care System - pH Reducer 9 Pounds The process your cell generator uses to convert saltwater into chlorine contributes to higher water pH every time your cell runs. SaltScapes pH Reducer protects pool surfaces and equipment by lowering pH to the ideal ranger and is 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. pH Reducer