Juul, the vape device teens are getting hooked on, explained Vox Juul Expects Skyrocketing Sales of $3.4 Billion, Despite Flavored Vape Restrictions Bloomberg Altria Writes Down Juul Investment by $4.5 Billion Amid Vaping Backlash Markets Insider The FDA Just Approved Juul's E Cigarettes. Does That Make Altria Stock a Buy Here? Is this a problem with my pod? My juice keeps going dark really quickly and it tastes horrible. I know it can go brown through oxidation but I've read that shouldn't affect