I recently moved to a small town in Ontario that has a Pumpkin Fest every year. It's the biggest thing this town ever gets because it's a small farm town where everybody knows everybody kinda deal.
As a home brewer & Chef I decided to vend an Apple Pumpkin Spiced Cider Soda to change it up. I was going to JUICE the pumpkin in my juicer and crock pot the liquid with my spices. Less sediment that way. But don't throw away the pumpkin crap after you get your juice, make some muffins or something with it!
But if it's still such a big deal with the sediment, as a homebrewer you should have a carboy and an auto siphon. Just let it settle for a couple hours and siphon off what couldn't be strained? Also I decided to use apple juice to keep from watering down all the flavor. Haven't tried it yet but will try to repost when I do!
Good luck with future sodas and cheers!