GLB Calcium Hardness Up (Pail) 25 LB–71214A–Raises Calcium Hardness for Balanced Water & Equipment Protection–Easy-to-Use Granules–Includes My Garden Pool 7-in-1 Test Strips (20 ct) & 2 Skimmer Socks

GLB Calcium Hardness Up in the 25 LB pail is ideal for professional use or large pools that require frequent adjustments. Low calcium hardness can cause corrosion, rough surfaces, and shortened equipment life. This heavy-duty formula quickly increases calcium levels to keep pool water balanced and protective. Safe for all pool finishes, it prevents etching and staining while preserving your investment. The fast-dissolving granules make application simple and effective—just broadcast evenly across the pool surface. Each purchase includes My Garden Pool 7-in-1 Test Strips for quick water testing and 2 reusable Skimmer Socks that help keep your filter system clear. This bundle delivers everything needed for superior maintenance and long-term protection. With regular use, GLB Calcium Hardness Up ensures smooth, clear, and well-balanced water that enhances both comfort and durability.

• 🧱 Increases calcium hardness in large pools or professional setups.
• ⚙️ Prevents corrosion, rough surfaces, and shortened equipment life.
• 💧 Quick-dissolving formula for fast, uniform water adjustment.
• 🏗️ Safe for all pool finishes and filtration systems.
• 📊 Includes My Garden Pool 7-in-1 Test Strips (20 ct) & 2 Skimmer Socks for reliable, all-season water balance.