Specifications: Appearance white granule Particle size 2-4mm Purity 99% min Nitrogen 15.5% min Nitrate Nitrogen 14.1%-14.4% Ammoniacal Nitrogen 1.1%-1.3% Calcium 19% min Moisture 0.8% max Water insoluble matter 0.2% max Nitric 0.05% max Iron 0.005% max PH 5.6-6.8
