Raise pH Level: Clorox Pool&Spa Spa pH Up is formulated to elevate the pH levels in spa water. By increasing pH levels, it helps in restoring water parameters to their ideal ranges, ensuring a balanced and healthy swimming environment. Improves Swimmer Comfort: This product plays a crucial role for bather comfort, as it prevents eye and skin irritation caused by low pH. It aids in preventing dry, itchy skin and red burning eyes for a more pleasant bather experience. Protects Pool Equipment from Corrosion: By keeping your spa's pH level balanced, this product helps prevent equipment corrosion, allowing you to spend less time maintaining and more time enjoying your spa. Preserves Pool & Equipment - Unbalanced water can cause a corrosive environment that damages your spa surfaces or equipment. This product reduces pool maintenance, extending the life of your spa’s cleanliness. Clorox Pool App: Test like an expert anytime, anywhere with the Clorox Pool App. Solve common swimming pool problems and get personalized product and dosage recommendations.