CALCIUM HARDNESS INCREASER 4LB- LIFELINE 8 Features: Ribbed-Base comfort surface

Features: Ribbed-Base comfort surface

Provides cushioned head and neck support to keep every soak more relaxing and ergonomic

numbered sticks perfect for kids and families

Bullfrog Frog @Ease Classic Smartchlor Sanitizer Kit

Adorable Squishmallows-inspired Brock the Bulldog character for instant poolside appeal

CALCIUM HARDNESS INCREASER 4LB- LIFELINE 8 Features: Ribbed-Base comfort surfaceLifeLine Calcium Hardness Increaser 4lb LifeLine Calcium Hardness Increaser 4lb is designed to raise the calcium hardness level in pool water to help prevent corrosion, etching, and surface damage on both plaster and vinyl pools. By maintaining proper calcium levels, it supports overall water balance and helps protect heaters, pumps, and other metal components from aggressive, underbalanced water. Key features & benefits Protects pool surfaces by