stains

Does anyone have a home remedy for cleaning the yukky green mildew stains off of sunbrella sail covers, dodgers, winch covers etc.? I know there are 3M and other "Marine products" for this purpose, but I though someone may have a secret concoction made up of household cleaners that...

The navy blue canvas dodger on my E 28+ has some greenish stains from mold or algae ( Pacific NW). I've been able to eliminate the stains from the steering wheel cover and mainsail cover by removing and washing them. I would rather try to treat the Dodger canvas without removing it if...