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Old Bridge Chemicals


North America’s Largest Manufacturer of Copper and Zinc Compounds
Established 1962

Agricultural

Agricultural

Zinc and copper are essential nutrients for plant growth. Old Bridge Chemicals manufactures 35.5% zinc sulfate and 25.5% copper sulfate. Our zinc sulfate is 100% soluble in water and is manufactured as a powder or granular. Our copper sulfate is a fine crystal that is 100% soluble. We also manufacture copper sulfate, zinc sulfate and zinc chloride solutions.

Old Bridge Chemical’s copper sulfate and zinc sulfate are both certified for use as organic crop fertilizers and soil amendments. Our copper sulfate is also certified for use as an organic crop pesticide and for organic weed and disease control.