So I have been DIYing my own juice for a few months now.... I made a few really good flavors and I ran out of those flavors and being on a budget forced me to vape unflavored for a month. Surprising I like it lol but back to topic. New flavors on the way and every recipe needs at least a week or two of steep time. Using the crock pot method do u have to use glass bottles?? I have a few, 3 15ml and 2 of the 30ml but that's it. And I vape about 15ml a day. Can I use the squeeze plastic bottles to crock pot steep?? Or is this a no no.... Thanks in advanced for all responses