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Best Way to Clean Brass: How to Clean Old Brass at Home

Learn how to clean and polish old brass easily at home using safe, effective methods. Restore shine and beauty to your brass items without harsh chemicals.

Published 22 May 2025
6 min read
By St Anne's Team
St Anne's Team

St Anne's Team

Housekeeping Experts

50+ years
Best Way to Clean Brass: How to Clean Old Brass at Home

Brass adds a beautiful touch to your home. But over time, it can lose its shine. It may start to look dull or even turn green. Don’t worry, restoring its shine is easier than you think. This guide will show you the best way to clean brass, especially if you want to clean brass naturally at home. Whether it's a small trinket or a family heirloom, this simple guide is here to help you.

Looking for extra help around the house? A reliable maid service in London UK can take care of the hard work while you enjoy your bright, polished brass.

Why Does Brass Tarnish?

Brass is a mix of copper and zinc. When it touches air and moisture, it reacts and starts to tarnish. This means the metal turns dark or green over time. It’s a natural process, but that doesn’t mean you have to live with it.

You might notice:

  • Green spots
  • Dark patches
  • Dull finish

These signs mean your brass needs a good clean.

How to Know If Your Item Is Real Brass

Before cleaning, it’s smart to check if your item is real brass. Some items just have a brass coating, and cleaning them the wrong way could cause damage.

Easy Test at Home

Try this:

  • Grab a small magnet.
  • Stick it to the item.
  • If it sticks, it’s likely not solid brass.

Real brass is non-magnetic. If the magnet doesn’t stick, you’re good to go.

Supplies You Need to Clean Brass Naturally

You don’t need fancy tools. Most things you need are already in your kitchen.

Simple Items to Gather:

  • Lemon juice or vinegar
  • Baking soda
  • Salt
  • Soft cloths
  • Old toothbrush
  • Warm water

These gentle items can remove tarnish without harsh chemicals.

Best Way to Clean Brass with Natural Ingredients

Here are the top natural methods to bring back the shine to your brass items.

Lemon and Salt Method

This is a favorite because it works fast.

Steps:

  1. Cut a lemon in half.
  2. Sprinkle salt on the cut side.
  3. Rub it gently over the brass.
  4. Let it sit for 5-10 minutes.
  5. Rinse with warm water.
  6. Dry and buff with a soft cloth.

This mix cuts through tarnish and leaves a natural shine.

Vinegar and Baking Soda Paste

This is great for heavy tarnish.

Steps:

  1. Mix 1 tablespoon of vinegar with 1 tablespoon of baking soda.
  2. Stir until it makes a thick paste.
  3. Rub it onto the brass using a cloth or toothbrush.
  4. Let it sit for 10 minutes.
  5. Rinse and dry well.

Ketchup (Yes, Really!)

It may sound strange, but ketchup can clean brass.

Steps:

  1. Rub a small amount of ketchup on the brass.
  2. Let it sit for 5-10 minutes.
  3. Rinse with water.
  4. Wipe dry.

The acid in ketchup helps break down tarnish. Just make sure to wash it off completely.

How to Clean Intricate or Old Brass Items

Some brass items are old or have lots of small details. These need a softer touch.

Use a Soft Brush

For detailed spots, use a soft toothbrush. This lets you clean tight areas without scratching.

Steps:

  1. Dip the brush in your natural cleaner.
  2. Gently scrub around the edges and corners.
  3. Rinse with warm water.
  4. Dry with a clean cloth.

Be Gentle with Antiques

Old items can be delicate. If you’re not sure, test a small spot first. If it changes color too fast, it might be best to call a professional. Or you can hire a maid service in London UK that knows how to handle delicate materials.

How Often Should You Clean Brass?

How often depends on where the item is kept.

  • Indoor items: Clean every 2-3 months.
  • Outdoor brass: Clean more often due to weather.
  • Antique or rare items: Clean only when needed to protect the finish.

Wipe down brass with a dry cloth weekly to stop tarnish from building up.

Mistakes to Avoid When Cleaning Brass

Using the wrong method can do more harm than good. Avoid these common mistakes:

  • Don’t use steel wool or hard brushes — they scratch the surface.
  • Avoid bleach or other harsh chemicals.
  • Don’t leave cleaners on too long.
  • Never soak antique brass for hours.

Stick with gentle, natural cleaners. Your brass will thank you.

How to Keep Brass Shiny After Cleaning

Once your brass is clean, you want it to stay that way.

Apply a Light Coating

Use a small amount of mineral oil or beeswax. Rub it on with a soft cloth. This adds a barrier that slows down tarnish.

Store Properly

  • Keep brass in dry places.
  • Avoid direct sunlight.
  • Use soft cloth bags for small items.

These tips help brass stay shiny longer.

Quick Guide to Brass Cleaning

Cleaning Method Best For Time Needed Safe for Antiques
Lemon and Salt Light tarnish 10 mins Yes
Vinegar + Baking Soda Heavy tarnish 15 mins Test first
Ketchup Moderate tarnish 10 mins Yes
Soft Brush Method Intricate designs 15 mins Yes
Mineral Oil Coating Post-cleaning protection 5 mins Yes

FAQs About Brass Cleaning

1. What’s the best way to clean brass at home?

Using lemon and salt or vinegar and baking soda is the best way to clean brass at home. They’re natural, safe, and effective.

2. Can I clean brass naturally without buying special products?

Yes. Items like lemon, salt, vinegar, and baking soda work great. You can find these in your kitchen.

3. How can I tell if my brass is coated or solid?

Use a magnet. If it sticks, your item is likely coated and not solid brass.

4. Will cleaning damage old brass?

Not if you use soft cloths and natural methods. Always test a small spot first.

5. Can I hire help for cleaning brass and more?

Yes, a trusted maid service in London UK can clean your brass and handle other household tasks too.

Final Thoughts

Keeping your brass clean doesn’t have to be hard. With the best way to clean brass, you can keep your home looking beautiful. Use simple, natural ingredients, and take your time. Whether you want to shine up a candlestick or preserve a family keepsake, these methods work.

And if you ever feel like handing the job to someone else, a trusted maid service in London, UK can help keep your space — and your brass — spotless.

Topics covered:

#brass cleaning#natural cleaning#polishing brass#maid service London#St Anne's Housekeeping