Quote:
Originally Posted by s15driftking
so my choices to help prevent mold are:
1. 80 proof vodka
2. Copper
3. PG
is that correct? assuming i am going to use either vodka or PG... how much should i use?
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To simply prevent mold using PG, you don't need much. 20% max (i.e. 8 parts water to 2 parts PG). Bear in mind PG doesn't evaporate much, if at all.