"RID-ALL" METHYLENE BLUE 1% B.V.F.Is prepared according to the standard formula of the British VeterinaryFormulary for fish prescription. That means we use only the best qualityMethylene Blue B.P.C. which is the same quality used in Hospitals and Veterinaryclinics.
Ectoparasitic and fungal infections, and prevention of egg fungus.
By prolonged immersion - 5 ml to 25 litres.
Dose may be doubled with care.
Toxic to scaleless fish.
NOT to use with Biological filters.