Regal 20 lbs Calcium Increaser Pail Easy to use built-in reference: a straightforward color

built-in reference: a straightforward color chart supports accurate interpretation even in bright sunlight

minimizing premature wear

the magenta PVC material resists wear and deformation

Safe for plaster

autonomous cleaner delivers hands‑free upkeep so you can reclaim your weekends—leaving floors

Regal 20 lbs Calcium Increaser Pail Easy to use built-in reference: a straightforward colorThe Regal 20 lb Calcium Increaser Pail is a fast acting, granular water treatment formulated with 100% pure calcium chloride to effectively raise calcium hardness levels in your pool water. Maintaining proper hardness is essential for protecting your pools surfaces, plumbing, and equipment from corrosive damage, especially in plaster or concrete pools. Low calcium hardness can lead to etching, staining, and corrosion, while balanced levels help extend