Cold, short wash cycle with with 1 c. White vinegar and 1 tbsp bleach.
Hot, long wash cycle with .5 c. of this awesome mixture
1 c. Borax
1 c. Washing soda
.5 c. Oxyclean (or other powdered oxygen bleach)
Mix powders well, store in container with lid.
(editor’s note: recommended by Charlotte – use 1/4 cup per load)