Vetark Fluke-Ex 50g – Powerful Treatment for Skin & Gill Flukes in Koi and Pond Fish
Vetark Fluke-Ex 50g is a highly effective praziquantel-based treatment designed to eliminate skin flukes (Gyrodactylus) and gill flukes (Dactylogyrus) from koi and other ornamental pond fish. These parasites can cause serious health issues such as irritation, excess mucus, rapid gill movement, weight loss, and even mortality if left untreated. Fluke-Ex offers fast, safe, and reliable parasite control to restore your fish’s health and well-being.
This 50g pack treats up to 12,500 litres (approximately 2,750 gallons) of pond water, making it ideal for medium to large ponds or repeat treatments. Fluke-Ex dissolves quickly and is gentle on fish, filters, and aquatic plants. It can be used both as a treatment for confirmed fluke infestations or as a preventative measure during high-risk periods (e.g., spring and autumn).
Key Features & Benefits:
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Contains Praziquantel – A proven active ingredient for effective fluke control
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Treats skin & gill flukes – Targets common parasitic flatworms that affect koi and pond fish
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Large 50g pack – Treats up to 12,500 litres of pond water
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Safe for all pond fish – Including koi, goldfish, and other ornamental species
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Filter-friendly – Will not harm beneficial bacteria or disrupt filtration systems
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Easy to mix and dose – No need to turn off UV sterilizers or remove carbon
How to Use Vetark Fluke-Ex 50g:
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Calculate pond volume carefully to ensure correct dosing.
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Mix the required amount of Fluke-Ex with pond water in a container.
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Distribute evenly around the pond.
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Repeat dose after 7 days if gill flukes are suspected (due to egg hatching cycle).
Important: Ensure good aeration throughout treatment and monitor fish behaviour. Always follow label instructions.
Ideal For:
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Koi ponds
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Ornamental garden ponds
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Fish quarantine systems
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Routine parasite prevention
Vetark Fluke-Ex 50g is the trusted solution for fishkeepers looking to protect their pond fish from harmful parasites safely and effectively. Keep your koi and ornamental fish healthy with this proven, easy-to-use treatment.






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