NPK 100% Water Soluble Fertilizer Range
Magnesium (as Mg) Per cent by Weight Minimum 9.5%
Sulphate Sulphur (as S) Per cent by Weight Minimum 12.0%
Matter Insoluble in Water Percent By Weight Maximum 1.0%
pH (5% Solution) Maximum 5.0-8.0%
Lead (as Pb) Percent By Weight Maximum 0.003%
Cadmium (as Cd) Percent By Weight Maximum 0.0025%
Arsenic (as As) Percent By Weight Maximum 0.01%