Inorganic chemicals : Potassium Chloride, Potassium Sulphate, Potassium Nitrate, Black Salt, Sodium Sulphate, Sodium Sulphite, Sodium Carbonate, Sodium Nitrate, STPP, TSP, Ammonium Chloride, Ammonium Sulphate, Ammonium Phosphate, Citric Acid, Zinc Oxide, Magnesium Carbonate, etc.