Kusuri Hydrogen peroxide 6% solution is used for the re-oxygenation of pond water. Hydrogen Peroxide 6% solution can be used to increase the oxygen levels and remove the discolouration from pond water after a course of kusuri potassium permanganate has oxidized from pink to brown. Kusuri hydrogen peroxide 6% is used for the re-oxygenation of pond water after a treatment of Kusuri Potassium Permanganate.  Dosage: 25ml per 220 gallons (1000 litres) of pond water.