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Kym asked: How do I get dark spots or mold from under old china? I bought some old china at a garage sale and washed it in the dishwasher. It now grows mold every time I wash them. There are really dark spots under the glaze. Can these be salvaged?
Antique china comes with a variety of glazes on it for protection. Sometimes, moisture and other substances can get underneath this glaze. Though they cannot be scrubbed or washed away, soaking the affected pieces in one of the cleaning solutions below may help to minimize or alleviate the problem all together.
Vinegar and Salt Method
You Will Need:
- Vinegar
- Salt
- Soft cloths
- Water
Steps to Remove the Stains:
- Mix vinegar with salt to form a paste.
- Apply the paste to the stained area.
- Do not rub it onto the surface or the salt may scratch the surface of the glaze.
- Allow the paste to set on the stain for twenty minutes.
- Wash away with warm water and a soft cloth.
- If the stain has lightened, repeat the above steps until the stain is removed. If the stain remains, try the peroxide method below.
Hydrogen Peroxide Method
You Will Need:
- Hydrogen Peroxide (30-40%)
- Hot water
- Mild detergent
- Large, shallow pan or bowl
Steps to Remove the Stain:
- Fill the bowl or pan with enough hydrogen peroxide to allow the stained area to soak in the peroxide.
- Place the stained piece and allow it to set in the peroxide for 20-30 minutes.
- Remove the piece and wash it thoroughly with a mild dish detergent and hot water.
- Be sure to remove all traces of the peroxide.
- Repeat if necessary until the stains are removed.
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Additional Tips and Advice
- If the pieces are heirloom pieces or valuable, it will be worth the extra cost to have them professionally cleaned.
- If the pieces have painted designs or special coloring, test a small area first to ensure the cleaning methods do not remove the coloring or decorative finishes.
My idea: (and it works the first time; and much better than any of the ones above that I tried over and over with no results!)
1. I poured plenty of regular table salt on the brown, crazed spots; on the old 1880 transfer ware plate.
2. Then I poured regular hydrogen peroxide (3%) on the salt and let it sit for at least 30 minutes.
Within minutes I could see the brown stain lifting; it worked like a charm!!!!!! It pays to experiment…
Hello. This works very well; would recomend it.
Most awesome tip and it works. 🙂
My Christmas butter dish lid has absorbed oil on the under rim…how do I remedy?
Sheryl,
Sprinkle a generous amount of baking soda over a plate (a thick pile) in the shape of the butter dish, then set the dish on the powder and let it sit overnight. The powder will help to pull the oil out of the dish. This is the same method used for removing oil spills from driveways and shirts! If you don’t have baking soda, another absorbent powder may work, such as cornstarch or flour. Another way to do this is to rub a piece of chalk over the rim of the dish thoroughly, let it sit overnight, then wash off the chalk. Good luck!
Try a chemist? I have the same problem with the Victorian fireplace tiles we are using to create a splashback. They were stored in newsprint and the crackle glaze has absorbed the ink I think. They are really porous, so this is why it happens. Got most of it off with a bicarbonate of soda paste and rubbing with a soft cloth, but this is now under the glaze. Will try the vinegar. Cheers
Where do you get 30% hydrogen peroxide? I can’t find it anywhere in town (Memphis), and on the internet it’s way too expensive.
I heard a beauty supply shop will have this. Wear gloves they say.
My dish seemed to be lightly stained all over so I have tried to clean it with a hydrogen peroxide and baking soda combo but now it’s worse. It has become an ugly mixture of more pronounced browns. I can only see tiny little areas of beautiful blue. The whole thing should be blue. What happened? What do I do next?