Prevent acidic water and ensure optimal comfort with Sirona™ Spa Up, a specialized pH and alkalinity increaser for hot tubs and spas. Properly balanced pH enhances sanitizer effectiveness, protects equipment, and provides a more enjoyable soak. Key Benefits: Increases pH & Alkalinity: Prevents corrosion, etching, and unstable water chemistry. Enhances Water Comfort: Reduces skin and eye irritation for a more relaxing spa experience. Protects Spa Equipment: Helps extend the life of pumps, heaters, and jets. Easy to Use: Simply add to spa water and allow circulation. Keep your spa water perfectly balanced with Sirona™ Spa Up. How to Use: Test pH and alkalinity before use. Add the recommended amount directly to spa water and run circulation. Achieve balanced, clear, and comfortable spa water with Sirona™ Spa Up.