At least 1/3 of these coins just need a silver brush and will be done. I honestly think that this is a complete success.
Next I shall add a fishtank heater to up the ambient temperature a bit.
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| FISHTANK PAGE 4 | |||||||||||||||
| Here's another
pair of scans, about 36 hours after the last ones. I added some washing
soda mix to the tank at a low concentration, so I could measure it. It started
at 1850 ppm, after 36 hours, my water reads 550 ppm. So the resin will also
remove detergents. At least 1/3 of these coins just need a silver brush and will be done. I honestly think that this is a complete success. Next I shall add a fishtank heater to up the ambient temperature a bit. |
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| About 3.5 days total of soaking in my contraption. Before/After below... (some coins have already been removed for attribution and silver brushing). | |||||||||||||||
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