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| TSP- Phosphate Free | ||||||||||||||
| These coins have soaked a couple days in distilled water, so the easy dirt has already been removed. These 5 coins will be put into a cup sized container with a couple holes drilled in it, and will be stored outside. I have heard mixed results using TSP, and decided to see what it is about. Perhaps 1/2 teaspoon was added to the water. | ||||||||||||||
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| I don't notice all that much difference, perhaps it needs to be heated first. Been soaking about 24 hours. Will attempt another trial again when I have time. | ||||||||||||||
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