Produces remarkable pool cleaning results. Use before adding an EPA-registered chlorine which rids pools of products or 2.5 gallons of liquid chlorine to the pool 5 minutes after adding Stop Yellow

• green
• yellow
• brown
• and pink algae. Amazing results typically occur in 24 hours
• Results regardless of cyanuric acid levels
• Can be used in all chlorine pools
• even salt
• 21 oz. package will treat up to 10
• 000 gallons
• Add 2 lbs. of Shockwave/Refresh