Water Treatment Chemicals : Poly Alum Chloride ( Poly Aluminium Chloride ), Sodium Metabisulphate, Try Sodium Phosphate, Morpholine, Hydrazine Hydrate, DEHA ( Diethylhydroxylamine ), Polyelectrolytes, Pebbles ( Filter Midea / Gravels / Stone / Sand ), Hydrochloric acid, Sodium Hydroxide ( Caustic Soda ), Sodium Hypochlorite, Activated Carbon, Ferric Alum, Non Ferric Alum, Bleaching Powder, Resins, Ferric Chloride, Oil Exploration Chemicals ( Potassium Chloride, Mono Ethylene Glycol, Di ethylene Glycol, Tri Ethylene Glycol ). Trihloroisocyanuric acid (TCCA) 90 5-8 Mesh.