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Treat the external parasites that are causing your pond fish and koi to suffer, using NT Labs Koi Care F-M-G Mixture - a potent formula designed to eradicate such unwanted pests from your pond.
F.M.G Mixture from NT Labs. A mixture of Malachite green and Formaldehyde are the best combination to treat common external parasitic infections or Koi fungus infections.
This combined treatment cuts out the need for separate medications, just one dose for five days builds up the level of treatment for best effect. It kills all swimming and developing ecto-parasites, reducing the risk of infection in Koi and other pond fish.
Due to the strength of the treatment it only needs to be applied once. However this means it is dangerous to use in ponds containing sensitive fish such as Sterlet, Tench, Rudd or Orfe.
For these species use New wave Eradick, which is a weaker treatment, and must be applied on alternate days for 5 days.
Instructions for use...