Kusuri Malachite Green is best used with Kusuri Formalin 30% for the effective treatment of most single cell parasites including White Spot, Costia, Chilodonella, Oodinium, persistent Fungus caused by Saprolengia and Protozoan Parasites. Do not use below 12.5°C (54.5°F). Mixing Formalin30% and Malachite Green is an effective way of treating most microscopic parasites. Please ensure that you read, understand and follow all Health and Safety guidelines on the bottle. Please do not eat, drink or smoke whilst handling chemicals. Wear disposable vinyl or latex gloves and appropriate eye protection. 250ml treats 20,003 litres (4,400 gallons) of pond water 500ml treats 40,006 litres (8,800 gallons) of pond water 1 litre treats 80,012 litres (17,600 gallons) of pond water


Size: *
  • 250ml
  • 500ml
  • 1ltr

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Use 50ml per 4000 ltr (880 gallons) of pond water. Treat up to 3 times, 7 days apart. If using in conjunction with Formalin, reduce dose to 25ml per 4000 ltr (880 gallons). DO NOT OVERDOSE. Over dosing can cause fish fatalities.

Switch off UV steriliser until course of treatment is complete. Tighten cap and mix well. Fill a clean watering can with pond water, then add Malachite Green. Use cup to measure out the correct dose. Gradually sprinkle across the surface area of the pond over a 1 hour period. Do not use below 12.5°C.