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Kusuri Fluke S | Praziquantel Powder for Koi Fluke & Tapeworm Treatment (10g, 50g, 100g)
Price range: £17.98 through £71.90
Kusuri Fluke S Praziquantel is a potent 50% powder treatment used to eradicate Gill Flukes, Body Flukes, and Tape Worms. It is entirely safe for your pond’s biological filter, works across a range of temperatures, and allows you to continue feeding your fish during treatment.
- ⚖️ Under 2kg: £3.49
- ⚖️ 2kg – 5kg: £4.99
- ⚖️ 5kg – 10kg: £6.99
- ⚖️ 10kg – 20kg: £11.49
- ⚖️ 20kg + £14.99
Please check the cart for accurate rates on bulky items.
Prices are for UK Mainland Postage Only.
Kusuri Fluke S: Praziquantel Solution for Flukes and Tapeworms
Kusuri Fluke S is a highly effective, Praziquantel-based medication formulated as a 50% powder. It is the premier treatment for eliminating a range of external and internal parasites, including Gill Flukes (Dactylogyrus), Body Flukes (Gyrodactylus), and Tape Worms. This non-toxic treatment ensures the complete eradication of these pests without harming your valuable koi or ornamental pond fish.
Praziquantel works by disrupting the nervous system of the parasites, causing paralysis and eventual removal from the host fish. Since Fluke S is safe for use in all temperatures and does not destroy the essential bacteria in your biofilter, it is a convenient and powerful single-dose solution for heavy infestations.
Key Benefits of Fluke S Powder
Safe, Comprehensive Parasite Control
- Multi-Action: Treats Gill Flukes, Body Flukes (Skin Flukes), and Tape Worms, making it a comprehensive deworming solution.
- Filter-Safe: The treatment will not destroy the beneficial nitrifying and denitrifying bacteria, ensuring your water quality remains stable.
- Can Continue Feeding: Unlike some harsh treatments, you can continue to feed your koi while dosing with Fluke S.
Dosage and Availability
- Standard Dosage: Use 4g per 1,000 litres (220 gallons) of pond or tank water for a single treatment.
- Available Sizes: Fluke S is available in 10g, 50g, and 100g sizes, suitable for treating pond volumes up to 5,500 gallons (25,000 litres) with the 100g size.
- Four-Day Regime (for persistent flukes): A four-day regime of one full dose followed by two half doses on consecutive days is recommended for stubborn or heavy Skin/Gill Fluke infestations.
Application Guide and Warnings
Preparation and Dosing Instructions
- Pre-Treatment: If the mucus layer is excessive, consider dosing with Chloramine T (15g per 1,000 gallons) 12-24 hours before using Fluke S to assist in reducing the mucus membrane. Caution: Check pH and KH as Chloramine T can be toxic in soft water.
- Dissolve: Measure the correct dose and dissolve it thoroughly in a container using hot water.
- Cool and Add: Allow the mixture to cool completely. Continue to mix while slowly adding the solution to the pond return over a one-hour period.
- Filter Off: Switch the UV steriliser, carbon filter, and protein skimmer off until the treatment is complete (minimum of three days). For best results, use above 15°C.
Important Safety Warnings
- DO NOT OVERDOSE: Overdosing can cause fish fatalities. Ensure accurate volume measurement.
- No Salt: WARNING: Do not use Kusuri Fluke S in conjunction with salt.
- Do Not Combine: Do not use Kusuri Acriflavine 1.5% or Malachite Green 0.7% within a one-month period of using any Praziquantel (Fluke S) or Flubendazole (Fluke M) based product, as this can cause fish fatalities.
- Scrape Recommended: We recommend a mucus scrape and microscope identification prior to application to ensure you have flukes and are using the correct medication.
| Weight (kg/g) | 100g, 10g, 50g |
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Kusuri Fluke S | Praziquantel Powder for Koi Fluke & Tapeworm Treatment (10g, 50g, 100g) 





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