Similar to aluminum sulfate, this chemical provides a coagulating and flocculent function in water. Used in ponds. This amount of copper would stain swimming pools.

Copper sulfate was one of the original copper algaecides. It is similar to aluminium sulfate in that it provides a flocculant function in water. It can be used in ponds but may harm some aquatic creatures in high concentrations. The amount of copper required to be effective would stain swimming pools.

A chemical prepared from copper and sulfuric acid. It is one of the oldest algaecides available. It is also called blue vitriol, blue copperas, bluestone and cupric sulfate.

chemical contained in certain bleaches, toners, intensifiers, and reducers.