Copper Sulfate Crystals | Small | 50lb Bag
Some of our customers have asked for a larger crystal size than our standard mini-crystals---this is the product! Looks like small gravel or 5+MM. This is Quimag brand and is shipped in a box and delivered by FedEx.
EPA number 073385-MEX-001
(Sold in California under Earthworkshealth Pesticide Broker License #40217)