an aluminum tray we've reused and cleaned in the dishwasher many times.. why is the outside grey and dull? : r/chemistry
![an aluminum tray we've reused and cleaned in the dishwasher many times.. why is the outside grey and dull? : r/chemistry](https://preview.redd.it/an-aluminum-tray-weve-reused-and-cleaned-in-the-dishwasher-v0-v04ddr67u3ra1.jpg?width=3024&format=pjpg&auto=webp&s=4ba5c64634164e4a98c1f1715e24c3c8b205e8d3)
an aluminum tray we've reused and cleaned in the dishwasher many times.. why is the outside grey and dull? : r/chemistry
![an aluminum tray we've reused and cleaned in the dishwasher many times.. why is the outside grey and dull? : r/chemistry](https://media.architecturaldigest.com/photos/64be7d565328ab6ed5bc129e/4:3/w_2880,h_2160,c_limit/July18.png)
How to Clean Silver Flatware, Jewelry, and More
![an aluminum tray we've reused and cleaned in the dishwasher many times.. why is the outside grey and dull? : r/chemistry](https://www.finishing.com/410/41066-8a.jpeg)
Dishwasher ruined shiny aluminum -- How to fix it?
![an aluminum tray we've reused and cleaned in the dishwasher many times.. why is the outside grey and dull? : r/chemistry](https://www.meijer.com/content/dam/meijer/product/0037/00/0744/51/0037000744511_0_A1C1_0600.jpg)
Cascade Platinum ActionPacs Dishwasher Detergent Pods, Lemon, 62
![an aluminum tray we've reused and cleaned in the dishwasher many times.. why is the outside grey and dull? : r/chemistry](https://i.redd.it/what-causes-these-spots-on-utensils-in-dishwasher-v0-82hsvokf4xna1.jpg?width=3072&format=pjpg&auto=webp&s=19e8763ee7eed06f5238d4a3b8624e4d2055ed47)
an aluminum tray we've reused and cleaned in the dishwasher many
![an aluminum tray we've reused and cleaned in the dishwasher many times.. why is the outside grey and dull? : r/chemistry](https://img.hunkercdn.com/375/clsd/getty/77303093133940d4945db903647af086.jpg)
How to Clean Aluminum After It Has Been in the Dishwasher & Turned
![an aluminum tray we've reused and cleaned in the dishwasher many times.. why is the outside grey and dull? : r/chemistry](https://kitchenaid-h.assetsadobe.com/is/image/content/dam/business-unit/whirlpool/en-us/marketing-content/blog-posts/Dish-safe-social-1200X630.jpg?wid=1200&fmt=webp)
What Is and Isn't Dishwasher Safe?
T-FAL T-fal Ceramic Fresh, 14 Pcs Recycled Ceramic Non-Stick pots
![an aluminum tray we've reused and cleaned in the dishwasher many times.. why is the outside grey and dull? : r/chemistry](https://www.southernliving.com/thmb/iI1uqw6B8PTB-jeSSNlT67vBDZg=/1500x0/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-607041533-2000-90ad3abe1e7e4eac9f5d7943de7c7919.jpg)
22 Things You Should Never Put In The Dishwasher
T-FAL T-fal Fresh Recycled Aluminum Ceramic 12-Piece Set C581SCFT