eSHa 2000 has been a winner from the start. It has saved many aquarium hobbyists from unnecessary grief, for over half a century already. eSHa 2000 is designed to give a very wide range of treatment and cures an impressive amount (18+) of different fish diseases and symptoms. eSHa 2000 is a powerful, easy-to-use product with fast and lasting results. A list of specific disease organisms and conditions that eSHa 2000 treats: Shimmying disease: also called ‘shimmies’. The fish no longer has proper control of its nerves and muscles; Protozoan parasites: a wide range of illnesses often caused by any number of microscopic external protozoan parasites; Fungus: most likely to be fungal species such as Saprolegnia and Achlya; Ulcers or wounds: sustained from vigorous feeding / breeding. Likely to be infected with secondary infection such as ‘fungus’ if left untreated; Mouth fungus: the common term for a bacterium called flexibacter; Dropsy: the common name for a combined viral and/or bacterial infection; Gill problems: can be a symptom of infection from certain fungi or worms, or poor water quality; Finrot: sustained from vigorous feeding / breeding. Likely to be infected with secondary infection such as ‘fungus’ if left untreated; Neon tetra disease: although common on neon tetras this disease can affect other fish species particularly barbs and danios. Fish can carry the parasite and not become infected. eSHa 2000 blocks neon tetra disease.