What are the best practices for maintaining and cleaning drip pans for air conditioners?

To maintain and clean drip pans for air conditioners, it is recommended to regularly inspect and clean the drip pan to prevent mold and mildew growth. Use a mixture of water and mild detergent to clean the pan, and ensure it is completely dry before reinstalling it. Additionally, consider adding a biocide tablet to prevent microbial growth in the pan.