"Penny bases -cleaning" Topic
6 Posts
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Col Durnford  | 10 Jan 2026 11:53 a.m. PST |
If you can still get pennies, I find CLR will clean them to mint new condition. Nothing I ever tried before works near as well. It's really quite amazing have fast it works. |
| jdpintex | 10 Jan 2026 12:02 p.m. PST |
Mercury is very fast and very good at cleaning copper pennies. It also melts your brain, so there's that. |
 Sgt Slag | 10 Jan 2026 2:47 p.m. PST |
Never considered CLR to clean coins before. That's good to know. Be sure to always wear protective gear: nitrile gloves and eye protection to protect from splashes. CLR is widely available at DIY and big box stores in the cleaning chemicals area. Cheers! |
| gbowen | 10 Jan 2026 11:45 p.m. PST |
Brown sauce is what you need |
 miniMo | 11 Jan 2026 9:33 a.m. PST |
Coca Cola (or any tonic with phosphoric acid) will do the trick nicely without needing so much hazmat protection. |
| Zephyr1 | 11 Jan 2026 3:15 p.m. PST |
Lemon juice and salt. Or just trade your old pennies in for shiny new ones… ;-) |
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