Rinse the tub with warm water
Sprinkle baking soda over the stains
Spray or pour white vinegar on top
Let it sit for 10 to 15 minutes
Scrub with a non-abrasive sponge or brush
Rinse thoroughly with warm water
Repeat for stubborn stains
Use a paste of baking soda and water for tougher spots
Apply hydrogen peroxide to discoloration if needed
Use a bathroom cleaner made for your tub material
Avoid steel wool and abrasive pads
Dry the tub with a clean cloth after cleaning