If there is rust inside your microwave, it is generally recommended to replace it. Rust can be a sign of deterioration and potential damage to the interior of the microwave, which can affect its performance and safety.
While microwave radiation is generally contained within the microwave, any damage or deterioration to the interior could potentially lead to leaks or increased exposure to radiation. While the risk of harmful radiation exposure from a well-maintained and functioning microwave is extremely low, it's still advisable to replace a microwave with visible rust or any signs of deterioration.
Additionally, rust inside the microwave can indicate a compromised seal or potential issues with the overall integrity of the appliance. This can lead to inefficient cooking or heating and may pose safety risks. It's always better to err on the side of caution and replace a microwave that shows signs of rust or other damage.
When choosing a new microwave, be sure to select a model from a reputable manufacturer and follow the instructions for safe and proper usage. Regularly inspecting your microwave for any signs of damage and maintaining it according to the manufacturer's guidelines will help ensure its optimal performance and safety.