harpp
Full Member
- Joined
- Jul 20, 2006
- Messages
- 130
- Reaction score
- 1
- Golden Thread
- 0
- Location
- san jose ca.
- Detector(s) used
- WHITES CLASSIC 3/ WHITES M 6
- #1
Thread Owner
here is what i found works well ( you're not supposed to clean old coins ) - but i really dont care lol. muratic acid ( swimming pool acid ) is cheap at any hardware store. be careful not to get it on yourself or breath fumes! wear gloves outside! submerge coin for about 5 mins., rinse with water & you're done. example: