If you've just squeezed a bunch of lemons to make a batch of lemonade or salad dressing, don't toss the rinds into the compost yet. Instead, fill a large stock pot with water and squeezed lemons, and bring it to a boil.
Turn off the heat and soak white fabric items like T-shirts, napkins and socksin the lemony hot water for an hour. The high amount of citric acid will brighten whites and remove sta…