This new, two-pack of Sirona Spa Care Protect Plus is a spa water treatment chemical. It helps maintain clear water and works to prevent common spa water issues. This product is a practical purchase for spa owners who perform regular maintenance. It is suitable for those looking to manage their water care routine effectively. The listing indicates free shipping is available. As this is a chemical treatment, always follow the manufacturer's instructions for proper use and dosage. For specific details about its composition or application rates, please check the full product listing. Sirona Spa Care Protect Plus - 2 Pack. Condition: New. Listed at 35.98 USD. Sirona Spa Care Protect Plus is a versatile liquid formula that shields your spa from stains and scale. It prevents stains by suspending potential culprits and enhances water clarity, ensuring a sparkling, inviting spa experience for all.