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AR15.COM
1/20/2008 10:37:54 PM EDT
I got some pretty big dessicant packs at work but:

1.  How can you tell if they can't absorb any more (full)?

2.  How do you recharge them?

Thanks!
1/20/2008 10:43:36 PM EDT
[#1]
Some dessicant packs have pellets that will turn pink if the pack is saturated.  To recharge them, place them on a cookie sheet in a 240F oven for at least 3 hours.  If you keep them in a sealed container you probably wont need to recharge them but every year or two depending on how often the container is opened.  I recharge the ones in my safe twice a year on average.