Tub Cleaner - vinegar and dish soap, no scrubbing! Heat 1/2C white vinegar in mwave for 90 sec, pour int spray bottle. Add 1/2C BLUE Dawn dish soap. Shake gently to mix. Spray on surface, let it sit 1-2 hours. Just wipe it away then rinse with water. Should also take soap scum off shower doors! THIS STUFF IS AMAZING.
Another pinner says: Hot Vinegar and Dawn Soap! Seriously, I saw this on Pinterest and decided to try it on my white shower tile...WOW! 1 cup of HOT Vinegar (microwave 1-2 min) and 1 cup of blue DAWN liquid soap. Shake into bottle and creates a gel that is OUT OF THIS WORLD!