A chemical added to water to prevent or control algae growth.

a chemical which when added to water kills algae and blue-green algae

chemical that kills algae when added to the water

A chemical agent, often included in exterior paints and sealants, to prevent growth of algae on the surface of an applied coating.

A substance that is toxic to algae.

Any substance that will kill or control algal growth.

A pesticide that is used to kill or inhibit algae.

Any substance or chemical specifically formulated to kill or control algae

A substance used to kill or inhibit the growth of algae.