Safer Brand Trubone 32 oz 6200 Hydroponic Liquid Plant Fertilizer Concentrate Formulated To Support Lush Vegetative Growth Abundant Flowering Fruiting Made From Fermented Corn Extracts Bone Meal To Deliver A Powerful Blast Of Immediately Nutrients Easy To Use For Soil Based Hydroponic Growing Systems Ideal For Big Small Gardens Fermented Corn Extracts Bone Meal Specifications. Weight 320 lbs