Foiled Again—In a Good Way: Why Pros Toss Aluminum Balls in the Dishwasher

If your dishwasher leaves forks looking foggy and knives spotted with rust, professionals have a shiny solution: a ball of aluminum foil. This low-cost trick is gaining popularity for its ability to preserve the sparkle of stainless steel cutlery without fancy products or extra effort.

Here are the key highlights behind the hack:

– the science behind the shine  
The aluminum foil acts like a tiny electrolysis cell. In contact with water and detergent, it behaves as a sacrificial anode, attracting oxidation that would otherwise dull your cutlery. This galvanic reaction helps maintain the luster of stainless steel

– how to use it correctly  
Crumple a sheet of standard aluminum foil into a tight ball about 5 cm in diameter. Place it in the cutlery basket—not near spray arms or heating elements. Replace the ball every 2–3 cycles or when it turns brittle and gray

– what it works best on  
This method is most effective on mid-grade stainless steel (like 18/0 alloys), which are more prone to rust and dullness. It’s not recommended for silver or silver-plated items, as the reaction may cause staining

– why pros swear by it  
Cleaning experts like Rochelle Wilkinson and appliance engineers such as Lee Gilbert confirm that the foil ball helps reduce watermarks and tarnish. It’s especially useful in hard water areas where limescale and iron particles contribute to contact rust

– extra tips for better results  
Use dishwasher salt and rinse aid suited to your water hardness. Space cutlery to allow water flow, and dry knives promptly after the cycle. No need for extra-thick foil—standard kitchen foil works just fine

This clever trick is proof that sometimes the simplest solutions are the most effective. With just a ball of foil, you can elevate your dishwasher game and keep your cutlery gleaming like new

Sources: A Touch of Essence Decor, Reader’s Digest, Best Home Hacks