Please choose a store to view pricing and availability.
Suncoast Chemicals Extended Algae Control Algaecide as an effective algae treatment to kill algae and prevent algae growth. Extended Algae Control Algaecide kills and prevents blue-green, black and mustard/yellow algae. Perfect for pools in hot, humid climates. Active ingredient: 11.8% Copper Sulphate Pentahydrate.
Single treatment lasts 3 months
Simple to use
(Note: Balance pool water before using Extended Algae Control)