CALCIUM HARDNESS INCREASER 25LB - LIFELINE

Raise and maintain proper calcium hardness levels in your pool with this 25lb bag of Lifeline Calcium Hardness Increaser. Ideal for preventing corrosive water conditions and protecting pool surfaces, equipment, and plumbing from damage. Simply dissolve and distribute around the pool perimeter for fast, effective results. Essential for balanced water chemistry and extended pool longevity. Perfect for residential pools of all sizes.