Pass SGS available P2O5 16% Powder SSP fertilizer P2O5:12%,14%,16%,18%min Moisture:5% ... Pass SGS inspection Pass SGS available P2O5 16% Granular SSP fertilizer Single Superphosphate TYPICAL ANALYSIS Total Phosphorus (P)12%,14%,16%,18% ... fertilizer effectiveness of SSP remains unquestioned. In fact, it has become a standard of comparison for other fertilizers. We supply high quality Single Super ...