BIOPAK PLUS 5 1LB PACKS PER BOX Ingredients: Nitrogen 3.0, Potassium 20, Iron chelate 7, Sulfer 4.0, Magnesium 1.50, Manganese chela te 0.2, Boron 0.01. Benificial bacteria: Nitrogen fixing Bacillus spores: eight billion per pound. P hosphorous solubilizing Bacillus spores: eight billion per pound. Growth promoting Bacillus spores: eight billion per pound. Shelf life is two years.