Formalin - 250ml
Kockney Koi Pond Media Plus Formalin 30% is an effective treatment against White Spot, Skin Flukes, Costia and other parasites.
Directions: Switch off UV Steriliser until course of treatment is complete. Tighten cap and mix well. Measure the correct dose. Using a clean watering can fill with pond water add the
Formalin using the measuring cup to get the correct dose. Slowly apply to the pond over a 1 hour period, this will prevent shocking the pond.