I would say it’s the graphite then that’s on your bars. Backyard bullion uses vinegar and I think 7000 sandpaper (super fine) that’s already worn...
If you used a small crucible and seasoned it with borax it’s probably the borax
Also a good polish and tumble does the world of good removing...
Welcome to the club
Check out some of my pours on YouTube
Check out Firebird bullion.
How did you melt the silver?
What moulds did you use?...
How much are the pamp?
I’ll buzz one thanks
30 minutes left.....
Less than 8 hours to go......
Thank you very much :)
On offer is 5.59oz of hand poured Firebird bullion.
Watch the 1 minute video to see what you will be bidding on.
This bar is stamped #5...
Hopefully one day he will spend that on silver bullion
Separate names with a comma.