I think the Rit dye is a good idea. We bring in our umbrella when we aren't using it. There aren't many months out of the year that the rooftop in the day is comfortable up there. Ours is with Sunbrella fabric and it still showed lots of wear in just a few months. That was why we brought it inside.
__________________  The T.U.B. Pack! Toto, Uni, & Bindi
RIP Lord Scrappington Montgomery McLimpybottom aka El Lenguo the Handicapped Ninja 10-12-12 
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