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How to dull brass

I purchased a new cut crystal ceiling lamp with a highly polished brass rim. I want to dull the brass metal to a dark or aged tone. How do I get rid of the varnish that is on the lamp and what steps do I take to darken the metal?

Mary D [last name deleted for privacy by Editor]
- Lacey, Washington

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If the 'varnish' is brass lacquer it is removable with lacquer thinner [linked by editor to product info at Amazon]. Then it can be darkened with Liver of Sulphur [linked by editor to product info at Dick Blick], which is somewhat noxious stuff that you want to be careful with, or just left to tarnish.

Ted Mooney, P.E. finishing.com Brick, New Jersey

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I need to know how to dull or age new brass plated hardware.

Peter V [last name deleted for privacy by Editor]
Retirement - Atlanta, Texas

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Brass plated hardware can be trickier because the brass plating is thin and you may wear through it, so that what may work on solid brass may not be appropriate for plated brass.

Ted Mooney, P.E. finishing.com Brick, New Jersey

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I have a lovely new range cooker for a 'show' kitchen. However, it has horrible shiny brass knobs and handles. I was expecting stainless steel or chrome. Could anyone advise me how to 'antique' these fittings or re-paint them. Would they take car spray paint or would a caustic soda solution dull them and how would it be best to apply the soda? any other ideas?

Jill P [last name deleted for privacy by Editor]

Restoration in Italy and kitchen design - Via della Barca, Italy

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Getting paint to adhere to brass is problematical, Jill, but adding that it has to be very heat resistant for this application, and also food safe . . .

A plating shop could certainly nickel or chrome plate for you, Jill, if that remains your preference.

Ted Mooney, P.E. finishing.com Brick, New Jersey

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I RECENTLY PURCHASED BRASS HAND RAIL SUPPORT BRACKETS. THEY ARE A SOLID, SHINY BRIGHT BRASS AND I WANT TO DULL IT DOWN. ANY SUGGESTIONS ON WHAT I CAN USE TO DO THIS? I DO NOT WANT TO DARKEN IT TOO MUCH, JUST TAKE THE SHINY REFLECTIVE LOOK OFF.

THANK YOU.

DAVID T [last name deleted for privacy by Editor]
HOME OWNER - No. ATTLEBORO, Massachusetts

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If you get the lacquer (or whatever clear coating is on them) off of them, David, they will tarnish by themselves very quickly (if they are indeed solid brass).

Ted Mooney, P.E. finishing.com Brick, New Jersey

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Note: if brass is varnished or lacquered you must remove the varnish or lacquer coating for this process to work.

1) Take a small plastic tub and fill 3/4 with common household ammonia.
2) Place pennies (copper) at the bottom of the tub, more is better. Leaving space for fittings (brass objects).
3) Place your brass fittings in the tub--not touching pennies. Cover.
4) Leave overnight--outdoors in a secure place--away from children or pets.
5) Your brass will darken from a little to a lot depending on how long you leave it in this solution.
6) Good luck.

Rebeca M [last name deleted for privacy by Editor]
- Nogales, Arizona

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I am currently like those mentioned above who are struggling with turning brass fixtures to more modern, antiqued-rustic looking fixtures. I have a huge, 3-tiered entry chandelier which I would love to look more rustic. I don't want to have to go through the trouble of having to take it down (it's 22+ feet up there!) or spending the $500+ to buy a new one...SO HELP IF YOU KNOW ANY SECRETS! THANKS!

Melissa S [last name deleted for privacy by Editor]
hobbyist - Algonquin, Illinois

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Melissa, for that application you might want to try a wax rub. They are inexpensive and the brass is unlikely to get much wear up where people can't even touch it with a 10-foot pole. wax rub [linked by editor to Rub 'n' Buff product info at MisterArt]

Regards,

Ted Mooney, P.E. finishing.com Brick, New Jersey

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I am a homemaker with a headboard and lamps of polished brass and would like to know how to tone them down with an antique-type treatment.

Rhonda F [last name deleted for privacy by Editor]
homemaker - Salinas, California

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My table has a decorative brass sheet on the base. I would like to dull its finish. Is there a chemical or treatment I can apply to cause the brass to oxidize or dull quickly.

Thank you and I await your reply.

J Chua
designer - Makati City, Manila, Philippines

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Rhonda and J,

Brass will dull and tarnish rapidly. The reason that isn't happening is probably because there is a clear protective coating on it: lacquer (which can be removed with acetone [linked by editor to product info at Rockler] or lacquer thinner [linked by editor to product info at Amazon] or something more durable which can probably be removed with methylene chloride aircraft stripper [linked by editor to product info at Amazon]. The methylene chloride is really nasty stuff. But you need to be aware that everything that looks like brass may not be brass. Some lamps and other stuff are nickel plated then coated with a brass-toned lacquer. If you remove the lacquer, you remove the brass color.

Regards,

Ted Mooney, P.E. finishing.com Brick, New Jersey

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Copper acid wash? I am a new homeowner. We installed copper valances in our kitchen that are too bright. Can anyone recommend a product that acid washes copper to look more like oil rubbed bronze/more aged? We are not looking for a verdigris patina, just a more aged, oil-rubbed bronze look. Thanks..

Judy K [last name deleted for privacy by Editor]
designer - Truckee, California

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We built a log home in 1993 and installed $6000 worth of shiny brass bath fixtures. I now hate the shiny finish as it is dating the house. My problem is that we purchased high quality fixtures and I cannot afford to replace them. Is there a way that I can refinish these to be dull or antiqued that will work?
thanks

Ann M [last name deleted for privacy by Editor]
hobbyist - Spencer, Indiana

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I discovered a product for darkening brass and giving it an aged look. It is simply called Brass Darkening Solution [linked by editor to product info at Rockler].

Victoria F [last name deleted for privacy by Editor]
- Asheville, North Carolina

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I am trying to finish a golden brass bowl which I will convert into a sink. I need a solution in which I can make the brass bowl into an aged brown-patina. It will also be in water. Any solutions? No-one in town plates this anymore. Is there anywhere I can send it to be plated? It is not lacquered. I have been trying to leave it outside to the elements to age but it's just starting to show signs of rust. HELP! Any leads would be useful. Thanks.

Shyamala A [last name deleted for privacy by Editor]
hobbyist - Baton Rouge, Louisiana

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Brass cannot rust, Shyamala -- only ferrous metals like cast iron, steel, and stainless steel can rust. So if it is rusting it is not brass; it is probably brass plating over steel. If it is brass plated steel it will be unsatisfactory as a sink anyway. Check it with a magnet (steel is magnetic, brass isn't). Good luck!

Ted Mooney, P.E. finishing.com Brick, New Jersey

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I just tried this on a shiny brass doorknob and it worked great. Spray brass with Easy Off Oven Cleaner and leave on for 24 hours. Rinse well with water. Dry and then spray and shine with WD-40 [linked by editor to product info at Amazon]. A friend of mine told me about this. Hope it works for you.

Dena M [last name deleted for privacy by Editor]
- Texas

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Are there any techniques to darken plated brass that is on top of steel?

Frank Cornwal
hobbyist - Wilmington, Delaware

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The problem is simply the impossibility of giving any assurance that it will work well, Frank. The liver of sulphur and brass darkening solutions are applicable to brass whether it be cast or plated. But if the plating is thin or porous then the solution is also acting on the underlying steel or nickel. The answer is that if the item doesn't satisfy you the way it is, try darkening it, knowing that you may then decide to either throw it away or send it to a plating shop for refinishing.

Ted Mooney, P.E. finishing.com Brick, New Jersey

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November 23, 2008

Can you tell me how to darken brass plated doorknobs? I'm willing to take the loss if I don't like it. I just wanted to darken as much as I can with household ingredients if possible.

Sean

Sean Watson
- Pittsburgh Mills, Pennsylvania

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December 9, 2008

Hi, Sean. If you have removed any lacquer or clear coat, you can put the knob in a large zip lock bag with hard boiled egg yolks, a good source of sulfur. This hint first proposed by our reader James Watts.

Regards,

Ted Mooney, P.E. finishing.com Brick, New Jersey

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March 7, 2009

Hello,

I have read the previous replies regarding brass chandeliers but am still unsure about the following:

How much of the Brass Darkening solution is required for darkening the brass of a medium sized (about 14" x 20") fixture.

Please also advise how one can achieve good results with a chandelier, since it can't be dipped in the solution.

Thank you in advance,

Vivian

Vivian Tengberg
- Göteborg, Sweden

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June 25, 2009

To darken brass, you must first strip any varnish on it.

Surprising, one of the most commonly available household chemical you can use to darken brass is Palmolive Dishwashing liquid. Look at the label and see if it contains sodium bisulphite and other sulphur derivatives. These are very similar to the chemicals in Liver of Sulphur.

Apply the dishwashing liquid with very little water to the bare brass and keep rubbing till you get the colour you want. This will take only a few minutes. When you get the colour you want, wash off the dish washing liquid.

Hong Lim
- Avondale, Arizona

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August 23, 2009 -- this entry appended to this thread by editor in lieu of spawning a duplicative thread I recently purchased a solid brass lantern style light fixture for my home. It has a shiny brass finish. I would like to oxidize the brass to attain an aged (almost black) appearance. I've throughly searched the web for ways to achieve this finish. There are many methods that will seemingly work. But most, if not all, are geared to oxidizing small objects, like jewelry, that can be submerged. None that I have found specifically refer to a lighting fixture that is too large to submerge. And I do not want to rewire the thing if not absolutely necessary. I understand the first step to oxidizing brass is to make sure any lacqured finish is removed. Suggestions on this process are also welcome. The lighting fixture does have a few places with a fairly intricate design. Though I don't mind expending a bit of elbow grease, I would LOVE to avoid scraping lacquer out of these crevices with a dental pick. I know you're thinking "why not just buy a light with the finish you want?". I've heard that one from my dear husband. My answer to that question is: I simply could not afford this light at full price. I lucked up and found it at a clearance center... I'm thinking it was a customer return. Or the retailer could not sell it because shiny brass is out of style. Thank you! Margaret Margaret Headley interior decorator - Newnan, Georgia August 24, 2009 I have a 13 year old fireplace insert with shiny brass edging. While at a fireplace shop I shaw a oxidized brass sample. It looked antiqued and dark and I loved it! Can I take my existing glass doors and and put something on the brass to "oxidize" it? Thanks, Nancy Nancy Mayo - Kansas City, Missouri August 23, 2010 Okay, folks, I have read all of this and today, I will start attacking my brass hinges and kitchen knobs. (Wanted a stainless steel finish, but that color looks bad with the wood color, believe it or not. We need some sort of darker brown/bronze/black, and I'd like to save money, so transforming solid brass knobs seems like a good idea!) Besides wiping acetone on the brass object to remove the possible lacquer, I haven't seen an easier method. I will then use the ammonia bath to darken (outside, well-ventilated, wearing rubber gloves and eye protection.) Wish me luck, give me any hints you have, and I'll post the results...even with pictures, if I can manage! :) Lori Putnam - Flower Mound, Texas, USA September 19, 2010 I have a bathroom full of shiny brass that would be extremely costly to replace; including a large soaking tub with brass jets, faucets, toilet handle, shower, etc. (circa 1995). Do the techniques described for dulling brass fixtures apply to these items as well? Thanks Dana Hunter homeowner - West Caldwell, New Jersey, USA June 4, 2011 For all those that think finding some of the mentioned chemicals is hard, fear not; your cat produces most of them every time it goes to the litter tray -- cheap and convenient Ross Dootson - England ANSWER or FOLLOW UP POST an unrelated QUESTION HOT Topics