Moisture : less than 10%. size : 4 mm min to 40 mm max, Nitrogen 1.5-0.5%, P205 25% min, Aluminum max 0.1%, magnesium 1% max, sodium 1% max, ignition loss 15% max, silica 0.75% max., iron 1% max - 100% Free of stones + metal + Plastic + Hooves + Horns + Degreased bones and all none bone products. NEW big bags on black 4 way entry plastic pallets