The rack was badly sun damaged, the fiberglass fibers were coming through and made it difficult to deal with. When I bought a used one, I thought the condition would have been comparable to mine, before it got broken. That wasn't the case.
Scrubbed it really good with a degreaser and scrub brush. Then put couple coats of Flex Seal on it and it looks awesome. No fibers and looks great. Would definitely do it again, if I had to