Agri-San is a copper sulfate pentahydrate formulation used on ornamentals and non-edibles. Agri-San is a bactericide and fungicide that when used with the appropriate volume of water;  provides systemic, curative, and preventative activity on a broad spectrum of bacterial and fungal diseases as listed on the label. Agri-San does not leave any “stains” or “residues” when mixed and applied according to the rate and use instructions on the label.