Watch this: Here's how to clean your grill safely
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If you have a gas grill, one part that often gets clogged are its burner tubes. One symptom of dirty burners is reduced flame size. They may also burn with an orange color instead of the usual blue. Both indicate abnormally low temperatures and an underpowered grill.
Typically a gas grill has multiple burner tubes, though some may have only one. Use a nylon or steel wire brush to gently clean the small holes on the tubes. Be sure to brush from the center of the tube outward, moving sideways (not up and down). Otherwise you may push debris into the tube or holes themselves instead of clearing them.
Reassemble the grill, then turn it on to its highest temperature setting and close the hood. There may even be a cleaning level on your burner dials. After a few minutes, open the lid and scrape the grates vigorously. I recommend using a nonbristle metal grill brush, like the $21 Kona Safe Clean Grill Brush. It's made out of stainless steel and is bristle-free so it's safe for use on porcelain, ceramic, steel and cast iron surfaces.
You can also use a nylon brush, but make sure to do this only when the grill is cold. Other options are the $17 GrillArt Grill Brush and Scraper or the $10 Char Broil Nylon Bristle Grill Brush.
A time may come, at the start of grilling season perhaps, when deep cleaning is required. To loosen stubborn, carbonized grime, soak your grates in soapy water overnight. Another option is to hit grates with an aerosol grill cleaner like Simple Green.
Certain practices can help discourage deposits of dirt and grease from forming in the first place. One method is to grease the grates of your hot grill with a little cooking oil right before you start cooking. In the same vein, scrubbing your grill grates with a raw onion is another tactic you can try. If you do have a grill brush without bristles, it's a good idea to scrape your hot grates both before and after grilling.
Another tactic is to scrub hot grill grates with the open side of a sliced (in half) onion. The thinking here is that it seasons the grates while adding moisture. Organic compounds supposedly are released, too, which break down stubborn grease and dirt. I've found that it's not as effective as scrubbing, but it certainly creates a wonderful smell.
Performing a full cleaning every few months is the best method to enjoy a grill that's spick-and-span. A little elbow grease goes a long way.
For more cleaning tips, check out how to get that organized TikTok fridge look, and how to kill mold in your washer and keep it away.
Source: cnet.com