I know this has been discussed much and am sorry to subject all of you to this again. But....I have a finished quilt ready to be washed and have a couple questions. I didn't wash the fabrics beforehand (was pieced before I became educated) and don't want issues with bleeding fabrics. I read somewhere much earlier to use synthrapol but can't find it anywhere but online. I also read where someone posted that the original Dawn dish soap is almost identical to synthrapol and will accomplish the same thing - keeping the dye particles from settling into the fabrics. Am I correct? I really don't want to screw up this quilt.