bought some boxes with 9 frame spacers in them. i blow torched them to kill any thing living but there is a build-up on the frame spacers.. what should i do? is it propolis?
(http://img69.imageshack.us/img69/6837/buildup.th.jpg) (http://imageshack.us/photo/my-images/69/buildup.jpg/)
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Looks like torched propolis :-D Scrape it or just leave it there. If you remove it the bees will put it back for you anyway.
Scott
they put it on in fall as a way to seal up the hive and stick things together. leave it. you can scrape it in the spring if it's in your way.