Pesticide products · United States

Sysstem-Cal Blue

72662-18

Sysstem-Cal Blue · pesticide product · Copper sulfate pentahydrate 1.1%, Phosphorous acid 13.4%, Calcium salts of phosphorous acid 7.87% · federally registered in United States. Registrant: ORO AGRI, INC.

Product details

EPA registration number: 72662-18
Registrant: ORO AGRI, INC.
Active ingredients: Copper sulfate pentahydrate 1.1%, Phosphorous acid 13.4%, Calcium salts of phosphorous acid 7.87%
Parallel trade: no

Source and data date

Source: U.S. Environmental Protection Agency (EPA), Office of Pesticide Programs, Pesticide Product Information System (PPIS) and Pesticide Product Label System (PPLS), data as of 2026-10-26 (PPIS) / 2026-10-28 (PPLS). EPA-produced data, public domain. Data as of: 10/29/2026.

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