Pour bleach (Javex, Old Dutch, etc) into the stained cup. Swirl it around til the stain disappears. Pour bleach into a clean jar and cap tightly. It can be used quite a few times, kept handy beside dishwashing soap. Wash the bleached cup well with hot soapy water, then rinse well. Little effort required.
TIP FOR TEA OR COFFEE STAINED CUPS: MAGIC ERASER!
You can use it on the finest of china! I use it on my china tea cups when they get stained.
When those pesky little coffee and/or tea stains start to show up in your favorite cups, try using a mixture of vinegar and baking soda.
A greenie scratch pad cleans your cups and glass ware with hardly no scrubbing.I use them on everything.And they don’t scratch your dishes.
Pour bleach (Javex, Old Dutch, etc) into the stained cup. Swirl it around til the stain disappears. Pour bleach into a clean jar and cap tightly. It can be used quite a few times, kept handy beside dishwashing soap. Wash the bleached cup well with hot soapy water, then rinse well. Little effort required.
drop in a denture cleaner and leave over night rinse clean or wipe with a sponge