The 2 lbs pH Up Pouch is a specialized pool chemical designed to effectively raise the pH level of your pool water. Each pouch contains 2 lbs of pH increaser to create a balanced and safe swimming environment with minimal effect on the pool's alkalinity. Maintaining pH levels between 7.2 and 7.6 ensures optimal sanitizer effectiveness, enhances swimmer comfort, and prevents issues such as corrosion, staining, and irritation. 12 pouches per case.