In The Swim Super Algaecide for Above Ground or Inground Swimming Pools – Low Odor, Non-Foaming Preventative for Yellow/Mustard Algae in Swimming Pools - 7.1% Chelated Copper – 1 Quart

Effective Maintenance: Ideal for spring openings and routine care, reducing algae growth with a long-lasting copper-based formulaPowerful Algae Control: Highly concentrated to eliminate yellow and mustard algae with small, easy-to-measure...