Here's why:

* Reaction with Acids: Aluminum reacts with acids (like hydrochloric acid) to produce hydrogen gas, which is what causes the "fizzing" you might hear.

* Dishwashing: Aluminum is sometimes used in cookware, but it's not a good idea to use it for dishwashing. The reaction with acidic foods and cleaning agents can damage the aluminum and make it unsafe for use.

Important Note: Aluminum is generally safe for cooking and eating, but it's important to use it properly and avoid contact with strong acids.