Whenever you're dealing with rust on a cooking surface, always use products designed for that purpose. Soap and Water: Mix some dish soap and warm water in a bucket. Wash the grill with something soft. For stubborn rust on grill grates, try using a nylon brush to remove the rust particles.
Wash them with soap and water and steel wool, followed by wiping down with a damp sponge. Once the grates dry, look for rust. Rust on cast iron grates comes off by scraping with a barbecue scraper or a wire brush, then rinsing the grates with a solution of approximately 1 part vinegar and 5 parts water.
Brush your grill grates with a soft brush to remove as much rust as you can. Put your grate on your barbecue and sprinkle it generously with baking soda. Turn your barbecue on and watch the baking soda begin to bubble and remove the rust. Turn off the grill and let it cool down.
Put aluminum foil down to avoid getting rust on your food. Also, scrub really well with a grill brush .
Rust is a fairly common problem with grill grates. I am maybe. If you do use a wire bristle brush be sure to look over the grates closely for any leftover bristles.
Outdoor grills can get rusty after a few months of not being used. Try these. Just be sure to detach the grill grate from the unit first before cleaning. This allows .