ethanol based diy juice

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so i just got a batch of ethanol based flavoring and mixed up and all the fun stuff i ran 2 tanks of 2 difrent flavors in my tfv12 and the refilling oring the big white one when i opened it it just shrevelled and the oring on the rba swell up to twice its size and it leaked of course i am storing the bottles in 50 ml bottles with approximatly 40 mls of juice how long should i let it sit with the top open to let the ethanol evaporate

ethanol based diy juice