Clorox Spa Stain & Scale Control - 32oz, Liquid

Clorox Spa® Scale & Stain Control is a liquid product that protects your spa and equipment from metal stains and scale formation on spa surfaces, heaters, piping, and equipment—preventing stains caused by iron, copper, and manganese. Test weekly to maintain a pH balance of 7.2-7.6, total alkalinity at 100-200ppm, and calcium hardness between 100-200ppm. Drain, clean, and refill your spa every 90 days.