hey there i have had a problem with ri in one of my spider females and nothing was working untill i decided to search for other methods of treatment instead of antibiotics. and i found this magic stuff called eucalyptus oil! works great google healing propertys of eucalyptus oil and you will be suprised, this stuff is pretty amazing 3 days of vaporizing this stuff in a tub with her and the ri is showing all signs of being gone!