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<p>[QUOTE=&quot;Derick, post: 1507543, member: 39142&quot;]Metal corrosion requires two key things, oxygen and moisture. Impurities like chloride ions enhance the process, like living close to the ocean. Removing the moisture prevents corrosion. What I do, use a air tight container that you buy at the supermarket, fill the borrom with with a layer of silica gel commenly used in keeping pills dry. Store the coins in the container. You can also use a product called drierite that turn from blue to pink when staturated. You can recycle it by putting it in the oven at 200 degrees celcius until it turns blue again. The drierite is so effective that the moisture is removed within seconds. So you can open the container as often as you like. Have tested this using moisture sensors monitoring the rate of moisture uptake in the container.[/QUOTE]</p><p><br /></p>

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