Enjoy true tranquility in your spa with the help of Sirona™ Spa Down. The pH decreaser for hot tub granular formula lowers pH and total alkalinity levels in hot water to increase the effectiveness of your sanitizer.

• Spa Down is compatible with all sanitizers and ensures your spa water stays safe and health

• The pH decreaser for hot tub lowers pH and total alkalinity levels with the granular formula, so your sanitizer stays effective

• Balances spa water effectively, so you can experience clean, well-maintained results

• The pH decreaser for hot tub will prevent scale, cloudiness and/or discolored spa water from occurring by keeping your spa water below 7.8

• Maintains sanitizer effectiveness for clean spa water and whole-self wellness