These are common in smelly basements, not so much in a crawlspace. I have seen air fresheners and kitty litter in a crawlspace before, though. What this little bucket does is absorb moisture. You've seen the amount of water that was in this crawlspace, do you think this bucket will help? the substance is similar to the silica packets you find in new shoes. The nice thing is that once this crawlspace gets the DryZone treatment it will never need these little buckets again.
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