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The Magic Cafe Forum Index » » The side walk shuffle » » Care and Feeding of Street Cups (0 Likes) Printer Friendly Version

JamesinLA
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Inner circle
Los Angeles
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My Gali Gali cups were a shinny beautiful copper color for months of indoor practice. Then one day outside on the street, and the turned dark. I have heard this dark patina is to be sought after, and I agree it looks nice. Should there be any polishing involved though to burnish the cups as they oxidize?
Thanks.
Jim
Oh, my friend we're older but no wiser, for in our hearts the dreams are still the same...
Mago Mai
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Venezuela
485 Posts

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There is a product called Brasso. It id very good to polish brass and copper..

Mago Mai
I invite all of you to share some of my magic on videos.Please, CLICK HERE
Eric Evans
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Rio Grande
645 Posts

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For the first few weeks, while they tarnish, wipe them with a soft cloth to evenly disperse the oils. That insures a uniform change in appearance -- do it at the end of everyday.

BTW, where you working? I'll try and catch your act when I'm in town.
Pete Biro
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1933 - 2018
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I like 'em to get dark and dingy looking... but you can use Wright's Copper Polish. Seems like Brasso takes too long? I also have used Red Bear (powder you dilute) but whatever works.

Many will buy the Nickle Plated cups as they never change... just clean up with a little Turtle Wax chrome polish...

stay tooned... Smile
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m@t
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London, UK www.MatthewLaskey.com
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I heard that dabbing an old cloth in a little vinager and polishing brass cups with this gets them nice and shiney. (smelly too i guess!)

As I only use chrome cups I havent tried this myself. Anyone daring enough to?

M@t Smile
sleightly
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New Hampshire
500 Posts

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Actually, the old-world method of cleaning copper is to use vinegar and salt. Salt, or sodium chloride, combines with acetic acid from the vinegar to produce sodium acetate and hydrogen chloride. Hydrogen chloride is a strong acid and the combination of it and sodium acetate rapidly cleans the surface of the copper. The cleaning process leaves a very pure metal surface which quickly corrodes however when exposed to the water, oxygen, and carbon dioxide from the air.

I prefer the dark patina that forms... I agree with Eric, to ensure a smooth patina on new cups be sure to evenly distribute the "scum" left behind. If you get uneven distribution you can always clean them and start over.

One note of caution, use of salt & vinegar to clean copper is very effective, but is also corrosive. Over time the copper can develop pits and scratches as the acid eats into the metal (after years and years). It really adds to the character though!

ajp
kid iowa
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Oklahoma
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When I was on a ship we used ketchup (NO JOKE) on all of the outside brass bells. I thought it was a joke too, but the acid in the ketchup (catsup for all you others) really worked, it turned them a nice golden color.
Any man who may be asked in this century what he did to make his life worthwhile...can respond with a good deal of pride and satisfaction, "I served in the United States Navy." J.F.K.
Pete Biro
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1933 - 2018
18559 Posts

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One not of caution... whatever cleaner you use... MAKE SURE TO GET RID OF ANY RESIDUE, especially in the seam at the bottom curl... it will continue to eat and turn the metal greenish blue... argh...
Smile
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RiffRaff
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While I was traveling in Chile (where the copper is plentiful), I noticed that some of the copper item they had for sale had been 'artificially' aged.

I asked numerous people what process was used to get this finish, but no one knew.

Do any of you know how to accelerate the aging of copper?
Mago Mai
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Venezuela
485 Posts

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Just live your copper stuff outdoors and the weather will take care of it.

Mago Mai
I invite all of you to share some of my magic on videos.Please, CLICK HERE
RiserMagic
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Quote:
On 2003-07-07 15:57, RiffRaff wrote:

Do any of you know how to accelerate the aging of copper?


Place the copper in a plastic bag with sawdust soaked with cat urine (traditional method).
Jim
Pete Biro
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1933 - 2018
18559 Posts

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Jim, you beat me too it... hahahah... Smile

James... should you read this I am leaving for the Castle right now and if you can come by fine... not staying too late tho, just want to see Steven Youell and Aldo Colombini... Smile
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