I need to ask, How do you apply the acetic acid ?

 
The Acetic acid you need is 80% concentrated so sensible precautions are  
needed.  There are various methods.  Easiest is probably to place  all the frames 
into a large plastic sack, pour in about a quarter of a pint of  acetic, seal 
the sack and leave for a week.  Then remove (still being  careful of the 
acid) and air until needed.
 
Or you could stack up the boxes of frames and between each one place a  wodge 
of cotton wool or plastic sponge and pour maybe an eights of a pint on  each. 
 Seal the boxes with tape to keep the fumes in as much as possible.  This 
method has the advantage of sterilising the boxes as well.
 
Don't do it near the house as the surrounding area will smell of  vinegar.
 
Chris





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