Originally Posted by quiltinNsmilin

Hi: I prewash all my fabrics in hot water in Retayne to make sure they remain color fast. I put all dark fabrics in a separate load
and I do throw in a Shout Color sheet in case excess dyes come out. I prewash all the light colors together separately also in hot water with retayne. It works great and the colors stay crisp and the blacks remain black.