HomeMicronutrientsBiomin Copper 4% Biomin Copper 4% Category: Micronutrients Tag: ORGANIC Product ID: 22916 Description Description Liquid Package Size: 250 Ga Related products Biomin Booster 235 KMS Pot. Magnes. Sulf. 0-0-21.5 Gypsum Premium 97% Solution Grade 7-0-0, 11% Ca