Purplehays69 Posted November 7, 2021 Share Posted November 7, 2021 5 Link to comment Share on other sites More sharing options...
Purplehays69 Posted November 7, 2021 Author Share Posted November 7, 2021 I will send more progress pics. Link to comment Share on other sites More sharing options...
Purplehays69 Posted November 7, 2021 Author Share Posted November 7, 2021 Link to comment Share on other sites More sharing options...
RONS DETECTORS MINELAB Posted November 7, 2021 Share Posted November 7, 2021 Be careful, Wink is hydrofluoric acid? 3 1 Link to comment Share on other sites More sharing options...
Steve Herschbach Posted November 7, 2021 Share Posted November 7, 2021 There are two different Whink formulations, one based on oxalic acid (the safer), and one based on 1% HF (the more aggressive). Oxalic based will only attack rust stains, hydrofluoric based will attack silica minerals. The HF will take care of some issues the oxalic will not, but has a much higher chance of “frosting” the appearance of silica minerals with more than short exposures. Beware the safety issues - please refer to this thread for details! 4 3 Link to comment Share on other sites More sharing options...
Purplehays69 Posted November 8, 2021 Author Share Posted November 8, 2021 Siblings to the one I'm thinking now. And yes, you have to watch it close especially if you want to save some of the host rock as I have with two of these pieces. 9 Link to comment Share on other sites More sharing options...
Purplehays69 Posted November 16, 2021 Author Share Posted November 16, 2021 2 Link to comment Share on other sites More sharing options...
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