Test spots of quilt for colorfastness using cold water. Wash bed quilt in clean bathtub. Place bedsheet in tub. Fill tub with lukewarm/cool water. Submerge quilt and soak for 10 minutes to open all the fibers in the batting. Agitate quilt with hands. Add Orvus quilt soap or Ivory dish soap (handwashing soap not dishwasher machine soap). Agitate quilt with hands. Push the quilt to the top of the bathtub to drain. Push out water by pressing against the side of the tub. Add water to tub and rinse until water comes clean. Push quilt to top of tub to drain. Lift the quilt out of the tub with the bedsheet. (Lifting without the sheet can break threads.)