Dug
Bronze Member
- Feb 18, 2013
- 1,138
- 1,263
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- XP Deus/Sovereign GT.
- Primary Interest:
- Relic Hunting
Hi;
I have tumbled stones and glass shards for the past six years but recently figured out how to do bottle interiors and small bottles with my 2 drum set up. In addition I have finally ordered a bottle tumbling machine to do my exteriors as well.
In the past, as a final stage of tumbling after polish I always tumbled for a day with a teaspoon of Borax to clean off any residual film of polish, but that was when I was using plastic bead as a media. Now that I'm using cut copper for the media I'm not sure what the borax may do to the cut copper. I have read that some folks use BKF (Bar Keepers Friend ...oxalic acid) for a final post polish tumble. I tried BKF and it also changed the copper from black back to shiny clean. Will BKF eat my copper after a while?
If it is not a guarded secret, curious what folks use for a post tumble on bottles; BKF, detergent, nothing?
I have tumbled stones and glass shards for the past six years but recently figured out how to do bottle interiors and small bottles with my 2 drum set up. In addition I have finally ordered a bottle tumbling machine to do my exteriors as well.
In the past, as a final stage of tumbling after polish I always tumbled for a day with a teaspoon of Borax to clean off any residual film of polish, but that was when I was using plastic bead as a media. Now that I'm using cut copper for the media I'm not sure what the borax may do to the cut copper. I have read that some folks use BKF (Bar Keepers Friend ...oxalic acid) for a final post polish tumble. I tried BKF and it also changed the copper from black back to shiny clean. Will BKF eat my copper after a while?
If it is not a guarded secret, curious what folks use for a post tumble on bottles; BKF, detergent, nothing?
