Cloverleaf’s Aqua-Vet+ Costia (Lchthyobodo Necater) treatments in 3 sizes of pouch, 50g, 100g and 200g, all for treating koi ponds and aquariums.

Costia (Lchthyobodo Necater) AquaVet Treatment

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Absolute Aqua-Vet Costia+ | Advanced Parasite Treatment for Costia (Ichthyobodo)

Absolute Aqua-Vet Costia+ is a professional-grade pond treatment designed to effectively combat Ichthyobodo—commonly referred to as Costia—a fast-spreading protozoan parasite that poses a serious threat to pond fish. Even pristine and well-maintained ponds can become infected when new fish are introduced without quarantine, making proactive and reactive treatment essential.

This powerful formula is not only effective against Costia parasites, but also acts against a wide range of waterborne pathogens, helping protect your pond’s ecosystem when fish are most vulnerable—especially during colder months when immune systems are suppressed.


Key Benefits & Features:

  • Targets Costia (Ichthyobodo) and similar protozoan parasites

  • Effective even in low water temperatures, when fish are more susceptible

  • Helps prevent secondary infections by reducing parasite load

  • Supports pond health by controlling waterborne bacteria

  • Safe for use with aquatic plants and most ornamental fish species

  • Ideal for new fish introductions to reduce cross-contamination


⚠️ Important Considerations:

  • May impact biological filtration during treatment. Perform regular water tests to monitor ammonia and nitrite levels.

  • Safe to resume UV sterilisation on Day 5.

  • If you keep oxygen-sensitive species such as Orfe, Rudd, or Sturgeon, ensure additional aeration is provided during treatment.

  • Always wear protective gloves when handling pond medications.


🧪 How to Use:

  1. Shake the pouch well to decompact the powder.

  2. Turn off UV sterilisers before dosing.

  3. Dosage: Add 10g per 100 gallons (454L) of pond water.

  4. Mix the measured dose with 2L of clean pond water in a watering can.

  5. Evenly distribute the solution across the pond surface.

  6. Repeat treatment on Days 1, 2 & 3.

  7. Safe to turn UV back on Day 5.


📦 Available Sizes:

Choose the right size for your pond volume:

  • 25g – Treats up to 250 gallons (1,135L)

  • 50g – Treats up to 500 gallons (2,270L)

  • 100g – Treats up to 1,000 gallons (4,540L)

  • 250g – Treats up to 2,500 gallons (11,350L)


🐟 Symptoms of Costia (Ichthyobodo) Infestation:

  • Flashing or scraping against surfaces

  • Clamped fins or excessive slime coat

  • Lethargy or breathing difficulties

  • Loss of appetite and colour fading

Early treatment with Absolute Aqua-Vet Costia+ can significantly improve fish recovery and overall pond health.