Today while out on the lake I sucked up rocks and I heard them clunking around after that happened the jetski vibrated really bad after 3000 rpm but below that was fine when I was able to get underneath it and look at it I saw this white gooey stuff and I can't tell if the impeller is damaged or not I haven't found anything in the forums about this picture that I have attached does anybody have any ideas what this is you can help me out thank you