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Question:
I was at a yard sale recently, and a lady told me her
grandmother had cleaned a very dirty cast iron skillet by wrapping
it in a rag soaked in ammonia and leaving it for several days. What
do you think of this idea? - Robin (12/5/05)
Answer:
I
had
not heard of using ammonia before. I did some searching and
did find the following:
For heavy burn buildup, such as cast iron pans or Dutch
ovens, put the pans in a plastic garbage bag along with
a cup of ammonia. Let them sit outside (to avoid the
odor!) overnight. The ammonia fumes will loosen the
buildup and allow easy cleaning. With cast iron you will
need to re-season the surface after cleaning.
If you use this technique, please let me know the
results.
Feedback:
I
tried
ammonia to clean two small cast iron pans. It seems
this method works quite well for people who have
lots of time to wait and plenty of ammonia. The
first pan was VERY rusted. It looked like something
had been left in the bottom and rust had formed over
top of that and all up the sides. I wrapped the pan
in a rag and put it down in a plastic grocery bag.
Then I poured ammonia all over it, wrapped it up in
the bag, and put that down in another plastic bag to
keep the odor down. All in all, (with lots of
peeking and a little scrubbing along the way) I left
the pan there for two weeks. Most of the amazing
stuff happened the first 3 or 4 days. The clumps of
rust were gooey and loose after just a day or so.
After the first week, I don't think it really made
that much more progress, and I ended up hand sanding
it the last little bit.
The second pan was
black and had mild rust all over it. I left it
for only one week. It was nearly grey by the
time I took it out. I scrubbed it a bit with
sand paper, but no more than scrubbing a pot
while doing dishes.
Comments from Ray Moffit (5/14/06):
My
mother had a cast iron waffle iron when I was
little and she was cooking on a wood kitchen
stove. She gave this to me when I got married
and I used it until I got an electric waffle
iron. When we moved to another place there was
another cast iron waffle iron in an old shed.
It was rusted on the outside, but the cooking
surface was in good shape. I gave my Mother's
to one of my daughters and told them to take
care of it. I kept the old one, thinking I
would never us it, but it was an antique.
I
moved it when we came to town and I was talking
about it the other day, and thinking it would be
nice for out camping trips. I was going to put
it in the camp fire when we went camping and
then I saw where you shouldn't do that. I'm
trying the ammonia method now. The inside
cooking area don't need sanding or scouring but
will have a lot to do on the outside.
Results: The ammonia
method worked pretty good, but I found when I
put it on my gas grill and heated it real hot it
worked better. I sanded with my palm electric
sander and then I found steel wool pads for the
sander and WOW, It came out looking new and
worked real well.
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