I just started DIY and bought my bottles of nic through Liquid Barn . Without any reference point to go by , they seem just fine . I bought straight VG base 100 mg . I wouldn ' t recommend doing that . It ' s EXTREMELY THICK and the fact that I stored it in the freezer made it even worse . Took forever to warm up and thin out to where I could easily use it . I also noticed a peppery odor , much like cigarette smoke . I thought it was supposed to be odorless and clear , but mine does have that odor and it had a slight amber color . Again , I have no basis to compare as to good or bad . The juices I mixed tastes just fine , so there ' s that . Ill probably order some PG 100 mg during the Black Friday sale and mix the two half and half to make a 5050 mix that ' s easier to manipulate .