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The Cedar Room A place for cigar storage and cigar accessories discussions. |
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07-17-2004, 07:27 AM | #9 |
Member
Join Date: Apr 2001
Location: Atlanta, GA USA
Posts: 113
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Some foam humidifiers come pre-charged with propylene glycol. If you're unsure if this is the case, I'd use only distilled water to start and add PG if the humidity remains above 70%.
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