Tub Cleaner - Heat 1/2 cup white vinegar in microwave for 90 sec, pour into a spray bottle. Add 1/2 cup 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 and tile! THIS STUFF IS AMAZING!
Hard water stain remover. Fill up half a spray bottle with vinegar. Add 1/4 cup lemon juice. Fill up the majority of the remaining space with your soap of choice. Shake bottle and soak stains. Let it sit for 30 mins, now scrub that grime away!