GLB SuperSonic 25 lbs – High-Strength Pool Shock Treatment – Quick Water Clarity – Includes 2 Scum Socks and 7-in-1 Test Strips Spa Minerals Add 1/2 ounce of Spa

Add 1/2 ounce of Spa 56 per 500 gallons of spa water

restore water clarity

and scaling caused by low calcium levels

Ensure safe and sanitized spa water with Sirona 82145 Chlorinating Granules

Prevents algae regrowth with regular use

GLB SuperSonic 25 lbs – High-Strength Pool Shock Treatment – Quick Water Clarity – Includes 2 Scum Socks and 7-in-1 Test Strips Spa Minerals Add 1/2 ounce of SpaRestore water clarity and eliminate contaminants with GLB 71440A SuperSonic, a powerful shock treatment designed for large pools or frequent use. This 25 pound container delivers fast acting results, effectively killing bacteria, algae, and organic contaminants to keep your pool clean and safe. Suitable for all pool systems, including saltwater. Includes My Garden Pool Test Strips & Scum Sponge to simplify your pool care routine! Key Features Powerful