remove pit stains using dawn, hydrogen peroxide and baking soda. The mixture I scrubbed on with the brush above was 1 tsp. Dawn dishwashing detergent, tablespoons of hydrogen peroxide, and a couple tablespoons of baking soda.
Cream of Tartar - Long-forgotten cleaning agent gem may be used with a little water or vinegar to lift even the most stubborn stains. Use on grout, mold and mildew stains, burner pans and casserole dishes. Cream of Tartar is your new best friend.
DIY STAIN REMOVER: 2 parts hydrogen peroxide to 1 part Dawn (original blue) will take the stains out of almost ANYTHING.even if they're old stains! // Mix in a spray bottle and use as a stain remover spray - I must try this!