In preparing for the 123 community bake on Saturday morning I hauled out my wooden dough board and gave it a brief scraping down. My usual maintenance regime is a simple scrape after use, then an airing outdoors in the sun, weather permitting, followed by a light scrape prior to next using. This time I decided apply science to the "light scrape" residue by dropping the bits (<2g) into a plastic container to which I added another <2g water, closed the lid and waited for the evening. I then added 20 g each of water and flour, and