Put your grimy burner grate into a gallon-sized zipper lock bag along with 1/4 cup of ammonia. Close the bag and let it sit overnight. The fumes will dissolve and loosen years worth of crud. Wipe it all off the grates with a sponge or rag. They come out looking like new!
I wish I tried this before I bought new ones!
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I need advice on how to clean gas burners on a gas range. The gas company claims I need to clean them in order for them to work and they did not tell me how.
How do I clean cast iron grate above gas flame on a gas stove?
How do you clean a gas stove with burner caps, grates, and a burner plate that are all gray in color and similar to cast iron?