re: the recent exchange of information on tartatic acid I am not interested in a prolonged debate on this subject but I would not term Leslie Bailey of the Rothamsted Experimental Station an isolated researcher > I think any contribution to clarify the issue is quite welcome. However, I > wonder whether the two beekeepers who criticized the use of tartaric acid > ever tried it to confirm if it indeed causes what an isolated researcher > stated. Unfortunately it is plenty of pseudoscientists out there writing > and confussing the mind of beekeepers. Dick Bonney