Clean brass and copper
Sprinkle salt (any kind) on half of a lemon and start scrubbing. Antiques can be tricky though—test this method on a small portion first to make sure you’re not causing any damage.
Steam clean a microwave
Put ¾ cup of water and two tablespoons of lemon juice in your microwave. Heat for about three minutes, or until it boils, and let it sit for 10 minutes. Then wipe down the inside and you’re done. No scrubbing necessary. Here are surprising items you should never microwave.
Remove gunk from a cheese grater
Cleaning graters can be a daunting—not to mention dangerous—task. Run half a lemon down the side of the grater to remove food particles, then rinse with warm, soapy water. The utensil gets cleaned and your fingers stay uncut. You can use a lemon to clean grills the same way.