Chemicals
- chromic acid anhydride
- zinc chloride
- nickel chloride
- magnesium chloride
- potassium chloride
- ammonium chloride
- calcium chloride
- trisodium phosphate
- boric acid
- sodium pyrosulphite
- saccharin
- chromium potassium – sulphate
- copper sulphate
- nickel sulphate
- iron sulphate
- caustic soda – flakes, granules
- salt tablets
- light sodium carbonate
- others
