GLB Calcium Hardness Up (Pail) | 71214A | 25 lb Calcium Hardness Increaser for Pools

GLB Calcium Hardness Up (Pail) | 71214A | 25 lb Calcium Hardness Increaser for Pools GLB Calcium Hardness Up is a 25 lb calcium hardness increaser designed to raise calcium hardness levels in swimming pools, preventing issues such as foam formation, corrosion, and etching caused by low calcium hardness. Proper calcium levels are essential for balanced water chemistry and protecting pool surfaces, equipment, and plumbing from damage, extending the life of your pool and improving swimmer comfort. This fast-dissolving formula is compatible with all pool types, including chlorine, bromine, and saltwater systems. GLB Calcium Hardness Up helps maintain optimal water balance, ensuring clear, clean water with minimal maintenance. Features: Raises Calcium Hardness Levels – Prevents corrosion, foaming, and etching by stabilizing calcium levels in pool water. Protects Pool Surfaces & Equipment – Safeguards pool walls, plumbing, and equipment from damage due to low calcium levels. Improve