SpaGuard Stain & Scale Control 16oz 42642BIO lifter and some vinyl-backed surfaces

and some vinyl-backed surfaces

even for heavy covers

Fast-acting formula works during a complete water change for thorough results

and weekly timers—drop it in

Filter area: 60 sq ft of pleated media

SpaGuard Stain & Scale Control 16oz 42642BIO lifter and some vinyl-backed surfacesSpaGuard Stain & Scale Control 16oz 42642BIO SpaGuard Stain & Scale Control 16oz safeguards your hot tub from metal stains and calcium buildup for smoother surfaces and longer equipment life. Metal & Mineral Defense Unleashed This potent liquid sequesters dissolved iron, copper, and manganese, trapping them for filter removal while preventing calcium scale on heaters, pipes, and spa shells. Weekly dosing keeps water clear, avoids cloudy haze or clogs,