Permanent Algaecide is a metallic copper algaecide toxic to a broad range of algae.

Permanent Algaecide is especially effective against Chara (stone wart), Spirogyra, Cladophora, Vaucheria Ulothrix, Microcystis, Oscillatoria, Mustard Algae and Black Algae.

Permanent Algaecide is made especially to control growth of algae in all types of swimming pools. Its long lasting action will control existing algae and subsequent doses will control recontamination by algae. Treated water can be use immediately - no waiting!

Permanent Algaecide comes concentrated. Dilute with at least nine parts water before applying. Pour required amount of this product into a plastic watering can, fill with water and sprinkle around the edge of the pool. Apply initial treatment to a freshly filled pool or at first visible signs of algae growth.