NT Labs Malachite
Kitsu Koi Interest Free Finance

NT Labs Malachite

Regular price £10.99 Sale

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Anti-Fungal Treatment for Koi  

Treats: Fungus caused by Saprolegnia

When to use:

  • Use when fish show white growths on the body, head or fins which may contain some greenish or brownish discoloration.


  • Switch off UV until all the colour has gone from the water.
  • Test your water quality first using Pondlab test kits.
  • Aerate your pond well during medication.
  • Wait 10 days after the final dose before treating with a different medication.
  • If you feel that a repeat dose is necessary, check your diagnosis carefully using the diagnosis tool on our website,  a different medication may be more suitable.
  • Always treat when you have time to observe fish and take appropriate action if they react badly.


  • Use at  water temperatures below 10°C or above 30°C.
  • Use in hot, humid weather.
  • Mix medications.

10ml per 800 litres/176 gallons