Check the listing for details. Sirona Spa Care Protect Plus - 4 Pack. Condition: New. Listed at 67.96 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. Product Features: Brightens your spa water and protects your spa against stain and scale with dual-purpose liquid concentrate Built-in hot tub flocculant quickly suspends minerals to clarify spa water for clean results, so you can elevate whole-self wellness Protect Plus hot tub flocculant is compatible with all sanitizers Sirona Specialties maintain restorative spa water and transform every spa into a soothing sanctuary Directions: Upon filling the spa, pour 2 fluid ounces of Sirona Spa Care Protect Plus per 250 gallons directly into the water. For higher metal content, add 4 fluid ounces per 250 gallons. Allow the water to circulate for an hour before introducing other chemicals, ensuring the full reaction of Protect Plus. For maintenance, add 1 fluid ounce per 250 gallons of spa water weekly after the initial fill.