Increase your total alkalinity, pH or calcium hardness For raising calcium hardness levels Dissolves quickly Protects pool equipment from corrosion, plaster etching and wrinkling of liners

Prevent metal staining and scale build-up Protects pool equipment from scale build-up and metal stains Prevents and removes metal stains and scale on pool surfaces Prevents cloudy water due to high calcium level For chlorine- or bromine-treated pools

Protect your chlorine from sunlight so you use less Prevents free chlorine residual loss due to sunlight Reduces maintenance costs and chlorinating product consumption Skimmer use for outdoor, chlorinated pools only