Chemicals : Caustic Soda Flakes, Caustic Soda Solid, Caustic Soda Pearls, Sodium Sulphate Anhydrous, Magnesium Sulfate, Manganese Sulphate, cobalt Sulfate, Ferrous Sulphate, Copper Sulphate, Zinc Sulphate, Citric Acid, Sodium Hexametaphosphate (SHMP) & TSP.