No need to waste money on a "beasty bag."

Desiccants are the generic name for water-removing substances: http://en.wikipedia.org/wiki/Desiccant

Amazon has silica gel (the most common desiccant) at $13 per 25-pack of 3"x1" 10 gram bags. That's a crap ton of desiccant. http://www.amazon.com/exec/obidos/ASIN/B003DKQB02/B004D9R9OM...