NT Labs

NT Labs Argusol 500ml

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NT Labs Argusol – Your Solution for Fish Lice, Anchor Worm, and Crustacean Parasites

When to Use: NT Labs Argusol is your go-to treatment when fish are afflicted with large external parasites such as fish lice (Argulus), anchor worm (Lernaea), and other crustacean parasites. This powerful suspension of diflubenzuron is specifically designed to combat crustacean infestations effectively.

How to Use:

  1. Test Water Quality:

    • Begin by testing your water quality using NT Labs Test Kits to ensure a suitable environment for treatment.
  2. Shake Well:

    • Shake the Argusol bottle well before use to ensure proper dispersion of the medication.
  3. Mix Correct Dosage:

    • In a clean bucket of pond water, mix the appropriate dosage of Argusol according to the provided instructions.
  4. Pour Evenly Over Pond Surface:

    • Pour the mixed solution evenly over the surface of the pond for comprehensive treatment.
  5. Leave for 7 Days:

    • Allow the medication to take effect by leaving it in the pond for 7 days.
  6. Switch Off UV Filtration for 10 Days:

    • Turn off UV filtration for 10 days from the addition of the medication to enhance its efficacy.
  7. Aerate Pond Well:

    • Ensure proper aeration of the pond during the treatment period.
  8. Repeat Dose Consideration:

    • If a repeat dose is deemed necessary, carefully assess the diagnosis using the Diagnosis Tool. Consider alternative medications if needed. Wait 7 days after the initial treatment, perform a partial water change, and then re-treat or use another medication.
  9. Observation and Caution:

    • Always treat when you have time to observe the fish, and be prepared to take appropriate action in the unlikely event of a bad reaction.


  • Do not use Argusol at water temperatures below 10°C or above 30°C.
  • Avoid application in hot, humid, or thundery weather.
  • Do not mix Argusol with other medications.

Trust NT Labs Argusol for the effective treatment of fish lice, anchor worm, and crustacean parasites. Its powerful formula, ease of use, and comprehensive instructions make it an essential tool in maintaining the health of your pond fish. Rely on NT Labs for reliable solutions in fish health management.

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