BioGuard Scale Inhibitor - 1 Quart frog inline cartridges simply replace the depleted cartridge

simply replace the depleted cartridge according to the manufacturer’s directions and return the floating sanitizer system to your pool

BioGuard 3-Step compatible: Can be used as part of the BioGuard 3-Step Pool Care System

and other spa equipment

Proper alkalinity helps control pH bounce and supports more stable water balance

BioGuard Scale Inhibitor - 1 Quart frog inline cartridges simply replace the depleted cartridgeBioGuard Scale Inhibitor 1 Quart Concentrated Scale and Metal Stain Protection for Pool Water BioGuard Scale Inhibitor is a concentrated pool treatment designed to help prevent scale build up, reduce cloudy water caused by high calcium levels, and protect pool equipment and surfaces from scale and metal stains. This 1 quart bottle is a practical choice for pools with high calcium hardness, metal containing source water, or recurring scale and staining