Tub Cleaner - vinegar and dish soap, no scrubbing!
1.) Heat 1/2C white vinegar in microwave for 90 sec, pour into spray bottle.
2.) Add 1/2 Cup BLUE Dawn dish soap. Shake gently to mix.
3.) 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!