Mike Johnson
Well-Known Member
No, it won't hurt the duster. You can carefully scrape it off when you figure out what it is.
Another thought I've had, because of the quick growth, it could be a White Branching Sponge. (They come in many colors.)
http://oceanexplorer.noaa.gov/explorations/06davidson/logs/jan27/media/white_sponge.html
Another thought I've had, because of the quick growth, it could be a White Branching Sponge. (They come in many colors.)
http://oceanexplorer.noaa.gov/explorations/06davidson/logs/jan27/media/white_sponge.html