scrbbing hard with comet and bleach is great[/quote
WRONG! You soap the hell out of any canvas, and the dirt LIFTS.. then hose off. Scrubbing inbeds the crap..gotta know yer fibers a little more. Besides., any bathroom mildew remover will work..spray, rinse..
wash the dog with the brush...
PS. On a clean canvas...scotchgard the living hell out of it (have a 1977 top on my big boat..still original