NT Labs

NT Labs Ulcer Swab 100ml

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NT Labs Ulcer Swab

When to use? Use Ulcer Swab when your fish have open wounds and ulcers, as these can easily become infected with bacteria or fungus. Ulcer Swab is designed to clean and disinfect wounds and sores, preparing them for further treatment.

How to use:

  1. Ensure you have the appropriate equipment ready before catching the injured fish. This should include a container large enough to hold the fish during treatment. Provide additional aeration during treatment.
  2. Place the fish on a damp towel or another soft, wet surface.
  3. Dry the wound and apply Ulcer Swab liberally to the affected area.
  4. For best results, use Ulcer Swab in conjunction with Koi Calm and Propolis Wound Seal.
  5. Treat the pond with Acriflavin to reduce the numbers of pathogenic bacteria and minimize the likelihood of re-infection.
  6. Feed your fish Medikoi Health and Medikoi Probiotic to aid their recovery by providing vital nourishment and high-quality nutrition.
  7. Test your water quality regularly using NT Labs Test Kits.


  • Do not leave fish unattended during treatment.
  • Do not use Ulcer Swab near the eyes or gills.

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