The proper use of fume boards was discussed in other postings, so I'll just confine myself to the chemicals. "Bee Go" (active ingredient Butyric Anhydride) is misnamed in my opinion. It should be called "Everything Go". Everyone agrees the stuff smells like vomit. Spill it on yourself, and you're sleeping in the garage for the next few days. Worse, the smell gets into the cappings wax. That means that any comb honey exposed to the stuff (and any wax you get from the cappings) will also smell like vomit. "Honey Robber" (same active ingredient) is just as bad. The cherry scent does not disguise the vomit smell, and the mixture of the two, well, Bee-L is a family newsgroup. My chemical of choice for fume boards is Benzaldehyde, the chemical that smells like almonds. The drawback is that Benzaldehyde is on the EPA's list of Nasty Chemicals, so it is hard to get. Mann Lake still lists it in gallons, and one gallon will last a hobbyist a lifetime. If that amount seems a bit much, then call Mann Lake (they may still have benzaldehyde in quarts), or get your local club to order a gallon and split it up. Benzaldehyde's drawbacks are it needs a somewhat warmer temperature than Bee-Go to work (at least 80 f), and if you spill Benzaldehyde on yourself you can get a chemical burn. The label also lists a spontaneous combustion hazard, so wash down your fume board with water after each session. One item on fume boards in general: They do not get rid of ALL the bees in a super. If you're planning to take the super into someplace that must remain totally bee-free (like an elementary school extracting demonstration), you will have to inspect and further de-bee the super. W. G. Miller Gaithersburg, MD