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NT Labs

NT Labs Acriflavin


NT LabsAntiseptic & Anti-Bacterial Treatment for Koi
Treats: Fin, Tail & Mouth Rot and Ulcers

When To Use:

  • When fish show symptoms of bacterial infection, useful as a quarantine solution.
  • Can be used in conjunction with Ulcer Swab and Propolis Wound Seal in the treatment of ulcers and other open wounds.


  • 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.
  • 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 360 litres/79 gallons

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