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

Restore 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 shock treatment for large pools or heavy-use scenarios.
• Fast-acting formula eliminates bacteria, algae, and organic debris.
• Restores water clarity and ensures safe swimming conditions.
• Compatible with all pool systems, including saltwater.
• Includes My Garden Pool 20 Ct. Test Strips and Flower Oil-Absorbing Scum Sponge.

Usage Instructions

1. Test pool water using My Garden Pool Test Strips to determine chlorine levels.
2. Add 1 pound of SuperSonic per 10,000 gallons of water for maintenance.
3. For heavy algae or contaminant loads, use 2 pounds per 10,000 gallons.
4. Spread evenly across the pool surface.
5. Circulate water for at least 8 hours, retest, and adjust chlorine levels as needed.

Add 1 lb per 10,000 gallons for maintenance, 2 lbs for heavy loads, circulate for 8 hours, and retest chlorine levels. As Needed

GLB, 2880, Shock, Year-Round,