The first, most important step to proper swimming pool care is to keep your pool water balanced. Balanced pool water ensures the most effective use of your chemicals. Use Blue Waves pH Reducer as needed to lower the pH level to an ideal range of 7.2-7.6 ppm. The pH Increaser boosts chlorines ability to fight bacteria and algae. Blue Waves premium chemicals stop eye irritation, etching and corrosion caused by high pH.