> whether Acetic Acid fumigation will kill nosema spores in honey in capped honey comb?
I think it's pretty clear that vapors would not penetrate honey to kill spores. Most recommendations I have seen refer to honey combs, not honey. The alternatives to fumigation would be heat: 49C for 24 hours, or radiation. Radiation kills AFB spores as well. I am not sure what the effect of holding honey supers at that high temperature would be, were you able to do it.
PLB
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