Supply of Algaecides And Biocide For Cooling Water Treatment Q3 Alumino - Ferric As Per Is 299 Q3 Potassium Permanganate As Per Is 333 Q3 Sodium Hypochlorite Industrial Grade - Ongc Q3 Calcium Hypochlorite Tablet For Disinfection System - Spraying Type As Per Is 9825 Q3 Trichloroisocyanuric Acid Defence Q3