Tetra pond medica parasite 250ml treatment is an effective treatment against protozoans such as white spot trichodina chilodonella and ichthyobodor symptoms of these infections includer r white grey to dark velvet like coveringsr white spotsr projecting gillsr increased respiratory activityr abrasion on objectsr clamped finsr apathy and emaciationr r use the tetra pond medica parasite treatment to eradicate these parasites from your fish and ponds