Spa & Hot Tub Stabilizers

Sirona Spa Up - 2 lbs. Sirona Spa Up - a specialized granular formula designed to raise both pH and total alkalinity levels in hot water. This not only enhances the efficiency of your sanitizer but also reduces the risk of equipment corrosion,...

Calcium Booster by Sirona Spa Care (Granular) Sirona™ Calcium Booster, a granula solution designed to elevate your spa experience by swiftly increasing water calcium hardness, preventing equipment corrosion, and ensuring a soothing and clean spa...

Sirona Calcium Booster - Calcium Increaser for Hot Tubs 32 fl. oz. Sirona™ Calcium Booster, a liquid solution designed to elevate your spa experience by swiftly increasing water calcium hardness, preventing equipment corrosion, and ensuring a...

Sirona Spa Up - Alkalinity Increaser 2 lbs. Sirona's Alkalinity up granular formula increases alkalinity levels in your spa or hot tub water, helps with balancing chemicals such as pH, and prevents damage to hot tub equipment from corrosion. Key...

Sirona Spa Down pH Decreaser for Hot Tubs 2.5 lbs. Sirona™ Spa Down pH Decreaser, your key to achieving true tranquility in your spa. This granular formula is crafted to lower pH and total alkalinity levels in hot water, enhancing the effectiveness...