Durachlor C007338-CS20Q 32 Oz. Algae Kil CB 7.4 

This algaecide provides effective prevention and control of algae growth in all types of swimming pool. 1qt

Features:

• Effective against all algae and algal slime types and colors
• Controls stubborn algae
• Liquid copper blend formulation
• Concentrated algaecide
• Compatible with bromine or chlorine pools
• Non-foaming
• Controls algae for months