When cleaning porcelain grates, you can’t use wire or metal brushes.
Any scratches on the porcelain will expose bare metal which might get water on it. If this happens, your grates might get covered with rust very fast.
The best tool for cleaning porcelain grates is using a soft bristle or nylon brush for grills. Such tools are gentle and won’t damage the surface of the grates.
It is very important for the brush bristle not to have pointy tips, it has to be gentle so that it doesn’t damage the delicate surface of porcelain grates.
How to Clean Porcelain Grill Grates
The key to keeping porcelain grates clean is to regularly clean the grill after each use. That way you can be sure that dirt won’t accumulate to the point of being hard to remove.
However, if for any reason your grill is really seriously dirty, check out my other methods I have already described. If home methods are not enough then you will have to use special grill grates cleaners, make sure they are porcelain friendly.
During cooking, remember to gently use metal cooking accessories so that you don’t scratch the surface of the porcelain.