• Raises calcium hardness in swimming pool water
• Helps protect plumbing, equipment and pool surfaces
• Helps prevent staining with proper use
• Calcium chloride based, supplied as white pellet flakes

Water chemistry target

Regal®’s Canadian Pool Care Guide states: “The proper range for calcium hardness in pool water is 200-300 ppm (parts per million).” and “To increase calcium hardness, use Regal® Calcium Plus.”

Safety, handling and storage (from the Regal Calcium Plus Canadian Safety Data Sheet, issued 30 April 2024)

• Signal word: WARNING. H302 — Harmful if swallowed. H319 — Causes serious eye irritation.
• Ensure adequate ventilation. Avoid contact with eyes and skin. Avoid breathing dust and avoid dust formation. Wash thoroughly after handling.
• Dissolving this product releases heat — the SDS records solubility as “40% @ 68 deg F (20 deg C) with evolution of heat.”
• Storage: “Keep container tightly closed in a dry and well-ventilated place.”
• Incompatible materials: zinc, bromine trifluoride and methyl vinyl ether. Thermal decomposition can release chlorine gas. Never mix this product with any other pool chemical.