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] This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the system manager. This message contains confidential information and is intended only for the individual named. If you are not the named addressee you should not disseminate, distribute or copy this e-mail. *********************************************** The BEE-L mailing list is powered by L-Soft's renowned LISTSERV(R) list management software. For more information, go to: http://www.lsoft.com/LISTSERV-powered.html