Anybody else have a problem with this? I like to leave my boat opened up and let it air out after use. I always find yellow dots everywhere, especially on the white vinyl! I'm told it's bee poop and when you wipe it off you may as well have just poored yellow mustard on it. Anybody find the trick on getting the stains out. Just been using simple green and 3m vinyl cleaner but have some stubborn stains left.