White crystals, assay ≥98.0%, P2O5 ≥44.0%, N ≥17.0%, pH 1.6–2.4 (17-44-0). The low-arsenic grade is a ruminant feed additive supplying non-protein nitrogen and phosphorus, improving weight gain and milk yield in cattle and sheep and preserving silage; technical grade is a high-analysis NP water-soluble fertiliser that lowers soil pH, cuts ammonia volatilisation and mobilises calcium and magnesium.
