![Uncovered the boat and every seat has these stains/mold. Doesn't come off to the touch. Any idea of the cause or treatment/cleaning solutions? Sits on fresh water lake. : r/boating Uncovered the boat and every seat has these stains/mold. Doesn't come off to the touch. Any idea of the cause or treatment/cleaning solutions? Sits on fresh water lake. : r/boating](https://preview.redd.it/uncovered-the-boat-and-every-seat-has-these-stains-mold-v0-ipeviioi6tja1.jpg?width=640&crop=smart&auto=webp&s=d7ae2a24ee032820e4db39d08fd4e1399be46614)
Uncovered the boat and every seat has these stains/mold. Doesn't come off to the touch. Any idea of the cause or treatment/cleaning solutions? Sits on fresh water lake. : r/boating
![My seats have these gray spots on them. Doesn't seem to be mold and cleaner won't get them off. Any ideas? : r/boats My seats have these gray spots on them. Doesn't seem to be mold and cleaner won't get them off. Any ideas? : r/boats](https://preview.redd.it/my-seats-have-these-gray-spots-on-them-doesnt-seem-to-be-v0-oqfno15jmir81.jpg?width=640&crop=smart&auto=webp&s=e83398ce0382d0e800c82198f41e4e191bec5a9c)
My seats have these gray spots on them. Doesn't seem to be mold and cleaner won't get them off. Any ideas? : r/boats
![Uncovered the boat and every seat has these stains/mold. Doesn't come off to the touch. Any idea of the cause or treatment/cleaning solutions? Sits on fresh water lake. : r/boating Uncovered the boat and every seat has these stains/mold. Doesn't come off to the touch. Any idea of the cause or treatment/cleaning solutions? Sits on fresh water lake. : r/boating](https://i.redd.it/uncovered-the-boat-and-every-seat-has-these-stains-mold-v0-o01nsioi6tja1.jpg?width=3024&format=pjpg&auto=webp&s=cf30c5898af1dd113bee8b4c8bbd6c5aa6d1499a)