Another cheap source of silica-gel desiccant is in places like Wal-mart in the flower or craft sections. People commonly use it to to dry flowers with it. so it comes in bulk.
To make the pouches. Coffee filters work great. They allow the moisture to pass through yet hold the gel securely. Plus they are real cheap.
Thanks for your kind words. It makes the effort worthwhile.
Sorry about the length. When I get started I sometimes find it hard to stop.
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When in danger or in doubt
run in circles scream and shout
RAH
And always remember TANSTAAFL