Yellow Out Swimming Pool Chlorine Shock Enhancing Treatment - 4 lbs.

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. It dissolves instantly with no brushing required! After adding Yellow Out, an oxidizer must be added to activate this chemical. You can use chlorine, bleach or a non-chlorine shock. Safe on plaster, fiberglass or vinyl pools, as well as pools with salt generators. Directions: Never premix Yellow Out with any other chemicals Add Yellow Out to the pool, wait 5 minutes and add chlorine to the pool 2 lbs treats 15,000 gallons Never premix Yellow Out with chlorine or any other chemicals

• MULTI-PURPOSE: Raise the levels for chlorine, water hardness, and pH in your swimming pool giving you crystal clear water.
• INCREDIBLY STRONG: Due to its high percentage of chlorine, Super Shock is very effective and efficient for a quick chlorine boost.
• MIX BEFORE YOU FIX: Add this powder to a bucket of water before you add it to your pool. Add a 1 lb bag per 10,000 gallons of pool water.
• BEAT THE GREEN: Kill the algae in your swimming pool by adding 3 bags of shock per 10,000 gallons of pool water.
• WORKS BEST AT NIGHT: Maximize performance by adding this shock to your pool at night. Wait to swim 8 to 10 hours after application.