Parasitic Koi Diseases & Treatments
Anchor worm, Fish lice (Argulus), Flukes, Ich, Internal parasites.
Most fish carry parasites, but older fish develop a degree of resistance that prevents problems. Parasites like anchor worms and fish lice usually are a problem whenever present. Young fish are more susceptible to illness caused by parasites. Stress situations and seasonal climatic variations can bring on infections.
Treatments include: Colombo Morenicol Lernex Pro 20,000L for skin and gill flukes,pottasium for costia and tricodina (The two of the most dangerous parasites That will harm your koi and these need to be eradicated quickly) FMC-50 is effective against fungus and white spot.