Question
Where can I buy copper sulfate?

Answer
Any nursery should have it check with your local nursery.

Copper sulfate is also called Agritox, Basicap, BSC Copper Fungicide, CP Basic Sulfate and Tri-Basic Copper Sulfate. The pentahydrate form is called bluestone, blue vitriol, Salzburg vitriol, Roman vitriol, and blue copperas. Bordeaux Mixture is a combination of hydrated lime and copper sulfate. Copper sulfate is often found in combination with other pesticides.