Regal Chemicals 47251960 21 oz Stop Yellow
Produces remarkable pool cleaning results. Use before adding an EPA-registered chlorine which rids pools of 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 products or 2.5 gallons of liquid chlorine to the pool 5 minutes after adding Stop Yellow.
WARNING: The following product(s) can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov