Actually got a chuckle from your post Tony. I got about 90% of the stains off the underside of our smaller awning just yesterday and was wondering the very same thing. Wore out before getting to the large awning. I had used a stronger than normal solution of Dawn soap and warm water. After rinsing, I soaped it up again and rolled the awning up to let it soak for about a half hour, then had another go at it. Hence the got worn out part. Still not happy with the results. Spent the remainder of the day doing a waterless wash and wax. Still not completely done with that project either, but almost.
Maybe one of the mods would be so kind as move our last two posts to a new thread.
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Lee, Edith, Lil' Bit & Cuddles
22 MHC 331RL, Surge Guard 35550, SumoSprings, Kodiak disc brakes, 412Ah Lithium, Gen 3 Goosebox, Sailun 85s
22 Ram 3500 CC DRW 6.7 CTD Herrin Hauler Classic Bed, 45 gal AUX tank