Along with these suggestions, may I add my neighbor put an old quilt on a bedsize platform. With help she spread the sheet out, placed another on top then used a sprinkler bucket (large plastic with the holes in the spout) filled with water and went over the sheet to give it another good rinse. She did this a couple times. Took a large piece of pvc and rolled it like a rolling pin across to push water through the bottom.
Originally Posted by
PaperPrincess
ckcowl gave you excellent advice. The only thing I would add is to put a clean white cotton sheet in the tub first, then the quilt on top. When you remove the wet quilt, pick up the sheet, not the quilt. This will support it as a wet quilt, even one that has been drained, can be very heavy and put lots of strain on the fibers.