Lowers High pH in Spa Water: Clorox Pool&Spa Spa pH Down is formulated to restore ideal pH in spa water. By decreasing pH levels, it helps restore water parameters to their ideal ranges, ensuring a balanced and healthy spa environment. Improves Bather Comfort: This product plays a crucial role for bather comfort, as it prevents eye and skin irritation caused by high pH. It aids in preventing dry, itchy skin and red burning eyes for a more pleasant bathing experience. Protects From Scale & Prevents Cloudy Water - This product provides protection against scale buildup in your spa, offering a safer and easier alternative to using muriatic acid. It is also effective in preventing cloudy water, leaving you with a crystal-clear spa. Protects & Preserves Spa 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. It also extends 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.