Copper sulfate is a heavy metal and can be used as bactericide and algaecide in water treatment industry. It is mostly used in swimming pools and landscape pools, which can effectively kill algae and make the water blue. However, because it is a toxic heavy metal, the dosage must be controlled well, otherwise it will do harm to the water quality and the health of swimmers, so many people began to give up using this algaecide and switch to a safe and environmentally friendly liquid cationic algaecide.

Copper sulfate is poisonous. If you throw it into a fish pond, it will definitely kill the fish. As long as there are aquatic organisms such as fish, shrimp, crabs and turtles, they cannot be used. If you accidentally add it to the fish pond, change the water or fish it to see if you can reduce the loss.