Scale Inhibitor 946mLSKU: 9322477302243$50.50PriceAdd to CartProduct DescriptionBioGuard Scale Inhibitor is a sequestering agent that prevents the formation of scale from high calcium levels. Scale Inhibitor can also help remove some scale build-up. Product Features• Contains 2-phosphonobutane-1, 2, 4-tricarboxylic acid. • Liquid sequestering agent. • Prevents formation of crystalline calcium, magnesium and water hardness ions. • Helps remove scale build-up. Benefits• Helps prevent costly repair bills. • Helps prevent serious damage to pool surface and equipment.