How to Clean Brass Cases
Brass is one of those metals that have been in use for thousands of years. Its strength and malleability have made this alloy a prime choice in manufacturing different products. One such popular usage nowadays is in the manufacture of cartridges, particularly in cases.
Some people have made it a hobby to collect empty cases and keep them as a prize or trophy. These cases must be rid of carbon material to restore its lustrous golden color. Here are some recommended home brews for cleaning brass cases.
Required Materials
- white vinegar
- dish soap
- hot water
- Phosphoric acid
- baking soda
- lemon juice
- tumbler
- bottle or can
- deep pan
Using Dish Washing Soap and Phosphoric Acid
- Put the cases in a bottle or a tight can.
- Pour hot water and add some dish washing soap.
- Shake the container with the cases inside.
- Let it stand for a while. Shake occasionally.
- Rinse with hot water.
- Add more hot water.
- Add in phosphoric acid, about half a teaspoon per gallon of water.
- Swirl the contents together with the brass cases.
- Neutralize the acid when done. Pour in baking soda until it stops fizzing.
- Rinse with hot water and set aside to dry.
Using Lemon Juice and a Tumbler
- Place the brass cases in a tumbler.
- Add in a squirt each of liquid dish soap and lemon juice.
- Pour in water just enough to cover the brass cases.
- Tumble for about 15 to 20 minutes.
- Rinse with water. Let dry overnight.
Using White Vinegar (Try this method for deprimed brass)
- Stand the brass cases in a deep flat pan.
- Pour white vinegar until the brass cases are completely covered.
- Leave to soak for about an hour.
- Pour the vinegar off and save it for another use.
- Rinse with clean water several times.
- Place in a low temperature oven to dry, or turn them upside down on a towel to drain and dry.













