Coral Seas CS1012 Yellow Out 4 Lb Pool Chlorine Shock Enhancer

Yellow Out® safely destroys all strains of algae including green, brown, pink and mustard algae in 24 hours without harsh chemicals that can stain or damage the surface of your pool. Dissolves instantly with no brushing required! Safe in plaster, fiberglass or vinyl pools, as well as pools with salt generators.

• NOTE: Never premix Yellow Out® with chlorine or any other chemicals
• Add Yellow Out® to the pool, wait five minutes and add chlorine to the pool
• Run the pump continuously for 24 hours after applying Yellow Out® and chlorine