... P2O5:16.0% 2,Calcium:19-25% 3,Free Phosphoric acid:4.50% 4,Moisture:3.0% soluble fertilizerSingle Super Phosphate fertilizer1 ... -89, Valid P2O5:16.0 pct min 10, Free Phosphoric acid:4.50 pct max 11, Calcium:19-25%12, Moisture: 3 ... .0 pct max 13, Sulphur:8.2% 14, Free Acid:1.4 ...