Biomin Boron is a bio-available boron fertilizer derived from sodium tetraborate and hydrolyzed vegetable protein. OMRI listed, WSDA registered and CDFA certified, Biomin Boron is safe for use in organic settings. Specially processed amino and organic acids protect boron from chemical interaction until it is absorbed by the plant. Biomin Boron is non-phytotoxic when applied according to label directions. SKUs 1810550, 1810551 & 1810552 require a freight shipping quote for delivery. Please call us at 1-800-827-2847 for more information. Shop All JH Biotech Products here .