chemicals : Sodium Meta Bi Sulphite, Sodium Bi Sulphite (SBS), Sodium Sulphite, PMBS, Ferric Chloride, Sulphamic Acid, Sodium Thio Sulphate, EDTA, Sodium Formate, Phopshates (TSP/DSP etc),Oxalic Acid, Di Sodium Phosphate, Tri Sodium Phosphate (Crystal), Tri Sodium Phosphate (Anhydrous), Sodium Phosphate, Sodium Hexa Meta Phosphate, Mono Ammonium Phosphate, Di Ammonium Phosphate, Mono Potassium Phosphate, Di Potassium Phosphate, Sodium Tri Poly Phosphate.