Brand new mercury hypalon dinghy has dieselexhaust stains after towing for a week. I tried an Orca 2 part cleaner for hypalon inflatables to no avail. Anyone have advice on cleaning stains from hypalon?
Lacquer thinner on a soft rag, like a washcloth, and rub! If it's just dieselexhaust, I'm surprised it didn't wash off with dishwashing detergent. But you can use lacquer thinner on hypalon safely to the hypalon.
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