How to empty an old copper fire extinguisher

Massage a few drops of olive oil onto the paint. Allow the oil to sit for one full minute. Wrap the wide, scraping end of a plastic putty knife with a rag. Dampen a rag with mineral spirits. Apply mineral spirits to any remaining paint, using the damp rag.

It is an offence to discharge these or even to possess them, except for a very few specific uses, the only one I know of is as a cockpit extinguisher in aircraft. However, the agent is not poisonous – it is ozone depleting. As above, it’s just Bicarb soda so put it in boiling water and clean your battery terminals.

Also Check: How far from floor to mount fire extinguishers

How To Dispose Of A Fire Extinguisher: Tips

The right disposal method will depend on the condition of your fire extinguisher. Nevertheless, here’s how to dispose of different types; #1. Extinguishers That Can’t Be Refilled or You Don’t Want to Refill Them. Take the extinguisher in an open area, then shoot a small amount outside to release pressure in the canister.

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