Hey guys... I really need some help / advice .... I left my boat uncover for one dang day and now I got bird stains on my seats. The top black layer wiped off fine but it left a yellow stain behind. I have tried magic eraser, mean green, bar keepers friend, bleach, hot water with dawn, Whites tire cleaner, Awesome cleaner, just about everything I can think of. Can any one help me out and get me something else to try haha... Thanks guys.....