Discover the best way to clean a grill, whether you choose to cook over gas or charcoal. How to Clean a Gas and Charcoal Grill | Basics | Better Homes & Gardens You should do a deep clean of your grill about every 6 months. Whether it's a gas or charcoal grill, we're here to show you the right way to give your grill a deep clean, and how to stay safe while doing it. Brushing up on your grilled...