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The Magic Cafe Forum Index » » Ever so sleightly » » Polishing inside of penguin cups (0 Likes) Printer Friendly Version

Dave McFarland
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I just got a set of Penguin copper cups (Penguin was actually giving them away this week!) I'm pretty impressed with the weight, and they stack well. The only problem is that although the outsides of the cups look great--excellent polish all around--the insides look like they've been used to store toxic waste. They're streaked with black and are really unbecoming. I can just imagine asking a spectator to check out the inside of the cups to make sure they're empty and the spectator saying "uh, no thanks, those cups look kind of scary." At any rate, any ideas on how to make the inside presentable? I don't need a perfect polish, even a dull, uniform satin copper would be great.

thanks

--dave
Richard Evans
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I used wire wool on the inside of mine - fine grade. They took a bit of time, but they lok a lot better.
I have six locks on my door all in a row. When I go out, I only lock every other one. I figure no matter how long somebody stands there picking the locks, they are always locking three. Elayne Boosler
Dave McFarland
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Thanks Richard. I'll pick up some fine wire wool (and a long movie to watch while I work the inside of the cups.)

Is there any particular method for scouring the insides? For example, in a circle following the circumference of the cup, up and down, or any which way.

thanks
Richard Evans
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Exactly - scour around the circumference rather than random scratching. You'll end-up with a satin finish, but it will take a bit of work.

You may want to PM Bill Palmer to see if he has any other tips. Bill may even chime-in here a little later.
I have six locks on my door all in a row. When I go out, I only lock every other one. I figure no matter how long somebody stands there picking the locks, they are always locking three. Elayne Boosler
BobMc
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I actually picked up 2 free sets this week as well after ordering a handful of books/ reprints I have been eyeing up. My 8 year old daughter is getting one of those sets after getting a lot of mileage out of scotch and soda. I'm curious to see what condition they arrive in.
BobMc
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My blackberry post are going through twice - sorry
Bill Palmer
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I don't know if I would actually polish these. I have cleaned several sets of them out. It requires a well-ventilated area, rubber gloves and Tarn-X. A green Scotch-Brite® pad is also a help.

Here's the routine.

Get into a well ventilated area with running water, such as a bathroom with a lavatory that has a counter top. Place a few layers of newspaper on the counter and cover it with a towel. If you have an old towel that you can throw away afterwards, so much the better.

Wash all the cups with dish detergent and rinse thoroughly. Now, fill one cup nearly full of Tarn-X. Allow it to sit for a few minutes, then pour the Tarn-X into the next cup and top it off. Using the green pad which you apply some Tarn-X to, scrub the inside of the first cup thoroughly. When it is fairly clean, place it mouth upwards under your tap, and allow the water to run to rinse it clean.

Pour the Tarn-X into the third cup, top it off, and scrub out the second cup. Scrub out the second cup, take the first cup out from under the tap, empty it, and place it mouth downwards on the towel, then place the second cup under the tap, allowing it to rinse out thoroughly. Pour the Tarn-X from the third cup into the toilet, and scrub out the third cup. When you have finished this, take the second cup out from under the tap, put the third cup underneath it, place the second cup mouth downward on the towel, and allow it to drain as you dry the first cup thoroughly. Dry the second cup thoroughly, then place the third cup mouth downward on the towel, turn off the water, and allow the third cup to drain a few minutes. Then dry it thoroughly as well.

The scrubbing should naturally be done with rubber goves on. Do not use Tarn-X on brass. It will eat one of the softer metals in the alloy if you do.

Once you have scrubbed out the inside of these cups, they may look acceptable to you. If not, then use #000 steel wool to polish them. Follow this with #0000 steel wool, and then with a white Scotchbrite® pad.

If you want them any shinier, use Flitz®, Brasso® or Simichrome®.
"The Swatter"

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My Chickasaw name is "Throws Money at Cups."

www.cupsandballsmuseum.com
Dave McFarland
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Bill,

Thanks for the DETAILED instructions. That's a huge help.
Bill Palmer
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Glad to help. I've done this before!

Remember to wear the rubber gloves when you do this.
"The Swatter"

Founder of CODBAMMC

My Chickasaw name is "Throws Money at Cups."

www.cupsandballsmuseum.com
Richard Evans
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I've learned something there as well. Thanks Bill.
I have six locks on my door all in a row. When I go out, I only lock every other one. I figure no matter how long somebody stands there picking the locks, they are always locking three. Elayne Boosler
Bill Palmer
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You are welcome.

I figured this system out when I got several sets of copper cups from one of the manufacturers. They really needed cleaning. This worked very well.
"The Swatter"

Founder of CODBAMMC

My Chickasaw name is "Throws Money at Cups."

www.cupsandballsmuseum.com
Dave McFarland
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Just a follow-up to my first post: I followed Bill's directions and used Tarn-X to remove the hideous stains on the inside of my Penguin cups and it worked like a charm. Didn't take long and didn't require too much scrubbing. Definitely wear rubber gloves and work in a well ventilated area.
Magicsharpie1
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I just did what bill suggested 2 minutes ago. Only when I scrubed it my gloves had some of the tarn x on it and I touched the outside of the cup . So it removed my 1 day old patina on the front as well. Now they look like brand new.
Bill Palmer
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Please don't try this on Brass cups. Use brasso, Flitz or Simichrome instead.

Tarn-X is really rough on brass. Sometimes all you really need to clean the cups is soap and water, a green pad and elbow grease.
"The Swatter"

Founder of CODBAMMC

My Chickasaw name is "Throws Money at Cups."

www.cupsandballsmuseum.com
Darth Ewok
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Greeneville TN
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My penguin cups looked prety good inside. only one really needed cleaning. tried Bill's advice and it worked perfectly. thanks bill

I wanted to ask, should I keep my cups out and on a shelf ir stored in the bag? I'm wanting them to get that nice dull look copper cups get
my real name is Kevin Harrison

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Dave McFarland
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Portland, OR
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Darth Ewok,

I leave my cups out (mouth down), and I handle them frequently. My understanding is that both the air and the oils from your skin contribute to the patina. I have a set of satin Sisti cups and they're developing a great color.
Bill Palmer
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Handling them is what produces the patina. There are artificial ways of doing this, but they are not easily done and require a huge amount of patience.
"The Swatter"

Founder of CODBAMMC

My Chickasaw name is "Throws Money at Cups."

www.cupsandballsmuseum.com
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