American red cross suggests using liquid dish soap and water to clean soot off pans pots and metal flatware.
How to poolish ceramic pot after fire.
Take a wet cloth and wipe inside the pot.
Throw away any food items that were charred or near the fire.
Throw away all food in paper plastic cloth and cardboard containers and screw topped jars and boxes that were exposed to smoke or chemicals used in fire fighting.
Add enough water so that when you put the pot into the water in will not spill over into the pot.
Leave them to bake for one to two hours.
Place your clean dry pots in your oven at 220 to 250 degrees f.
If the food is extra difficult to remove try adding 1 cup 240 ml of vinegar and 4 cups 950 ml of water to the pan and bringing it to a boil over low heat.
Select a ceramic bowl that is completely glazed so that it is impervious to moisture.
Turn off the oven but keep the pots in the oven to cool to room temperature.
Some pots and pans may get burn marks on them from the stove a house fire or being used over a campfire.
To remove these spots you can make baking soda paste.
Cut a piece of steel sheeting with metal clippers large enough to fit in the bottom of the bowl.
Soak the ceramic pan in hot water for 30 minutes to remove burnt food.
You can polish them after if needed.
Allowing the pan to soak helps loosen up the food and makes it easier to wipe off with a sponge or cloth.
This method is effective in killing any bacteria in your flower pots but be warned that it does produce a stinky odor.
Remove the pot from the water and set on counter to air dry.
Heat a mixture of equal parts white vinegar and water in a larger pot if soot remains.