An eco-friendly approach to controlling scale and metals in hot spa water. Stain & Scale 1 is added when initially filling the spa with cold water. It provides protection against metal stains and scale formation when the water heater is turned on for an extended period of time. It does not contain any phosphate and is stable in the presence of chlorine or bromine. Add the entire bottle when filling for maximum protection.
Dazzle Stain & Scale: 1
750 ml