ThePipingMart Blog Metals How to Oxidize Brass – A Complete Guide

How to Oxidize Brass – A Complete Guide

How to Oxidize Brass

Have you ever noticed the beautiful green patina that develops on brass fixtures over time? This is caused by a process known as oxidization. Oxidizing brass creates a unique look that many homeowners love, and it’s not challenging to do yourself. Read on for an overview of how to oxidize brass successfully!

What You Need to Know Before Getting Started

When oxidizing brass, it’s essential to ensure the surface is clean and free from dirt or debris before getting started. Any residue left on the piece can prevent the oxidation process from occurring or result in a patchy finish. It’s also worth noting that oxidation will darken any existing stains on the metal, so it’s best to clean any heavily stained areas thoroughly before beginning.

Oxidation Process

Once your brass piece is sufficiently cleaned and dried, you can begin oxidation. Place your item in an area where it won’t be disturbed while you work. If you have an outdoor space, this would be ideal, as some toxic fumes are associated with this process. Begin by mixing equal parts white vinegar and salt in a bowl until you have a paste-like consistency. Gently brush this paste onto your brass item using a soft-bristled brush until all surfaces are coated evenly. Leave for 10 minutes before washing off with cold water and drying thoroughly with a cloth – at this point, you should notice your item taking on more of an orange hue than its original golden colouring! Allow your item to sit overnight before applying another coat of paste if desired – doing so will create an even darker patina on the metal surface which many people prefer. Once finished, rinse any excess paste with cold water, then dry completely with a cloth.

Alternative Solutions

If you don’t have access to white vinegar and salt, fear not! There are other ways to achieve similar results when oxidizing brass items at home. For example, boiled eggs can be used as an alternative solution – place your eggshells into boiling water for 10 minutes, then strain out any excess liquid before adding them into a bowl containing 2 cups of warm water and 1 cup of white vinegar – let this mixture stand for at least 24 hours before brushing onto your piece with a soft-bristled brush just like with the salt/vinegar method described above! After applying the eggshell concoction, leave for 10 minutes, wash off with cold water and dry thoroughly before admiring your newly-oxidized artefact!


Oxidizing brass can be done quickly from home without hassle or expense! By following the steps outlined above—or experimenting with alternative solutions if necessary—you can soon achieve beautiful results in no time! With patience and practice, anyone can become an expert in oxidizing brass fixtures around their home – all it takes is dedication and creativity! Good luck!

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