Allan said: I would not worry about it.  In my experience, bare aluminum is found in many extractors and has been considered to be harmless by most, but local authorities should be consulted when setting up a commercial operation.

I would worry about it. Honey is acidic. The honey pH is as low as 3.2. Acid can react with aluminum and release more into honey. I would agree to consult with local authorities. I would be interested to know the answer.
Medhat

Dr. Medhat Nasr
Alberta Provincial Apiculturist
Pest Surveillance Branch
Crop Research and Extension
Agriculture and Rural Development
17507 Fort Road NW
Edmonton, AB T5Y 6H3 Canada
Tel: 780-415-2314             Fax: 780-422- 6096
E-mail:  [log in to unmask]
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