> That is what I am wondering.  Seems to me that contact with
> sodium hypochlorite
> is not doing the job, but rather the chlorine gas which is
> released.

Dr Goodwin's findings re: efficacy of bleaching solutions to disinfect
equipment that has been exposed to AFB is specific to *contact activity*
with the solution.  Accordingly, he always makes a warning/disclaimer
relating to the need for the items to be already clean for the most part of
wax and propolis.

Nick Wallingford
[log in to unmask]
http://www.beekeeping.co.nz
Tauranga, NZ (east coast of North Island)