This listing is for a new, 4-pack of Sirona Spa Care pH Balance +, a product designed to help adjust and maintain the pH level in your spa or hot tub water. Proper pH balance is crucial for swimmer comfort, sanitizer efficiency, and protecting your spa equipment. The pack provides a convenient supply for ongoing water maintenance. This item ships with free shipping. It is a practical purchase for spa owners or maintenance professionals who need to regularly test and adjust their water chemistry. As specific application rates and instructions can vary, please check the listing for full details on usage and compatibility with your spa system. Sirona Spa Care pH Balance + - 4 Pack. Condition: New. Listed at 223.96 USD. Sirona Spa Care pH Balance + is an essential solution to stabilize pH levels in your spa, reducing the need for frequent adjustments. Compatible with chlorine, bromine, ozone, mineral purification systems, and even hard water sources, it helps prevent staining, scaling, equipment corrosion, and skin irritations, lasting from refill to refill. Product Features: Simplifies spa care by locking in the proper pH levels in your spa water Eliminates constant adjustment by locking in the proper pH levels until the next refill Protects against stain, scale, equipment corrosion and skin and eye irritation Balances to maintain safe, healthy spa water that lasts longer pH Balance+ is compatible with chlorine, bromine, ozone and mineral purification systems