I've been doing the DIY thing for 6-8 months now, and I have a problem in all the juice I make (almost exclusively follow well reviewed recipes online). There seems to be a "bite" in the inhale that I cannot get rid of - that I have not experienced in the juice I've purchased from vendors. It could be an excessive throat hit - I'm not sure. I switched to Nude Nicotine thinking that may be the cause. That didn't change anything. I'm never more than 6 mg of nic on anything. I make primarily tobacco, custard, and fruit/melon mixes (never all three combined!!) I use TFA and Capella's for the most part, but some other flavoring manufacturers that have been suggested. Usually high VG recipes - only thing close to 50% PG could be a few of the tobacco recipes. I'm just looking for a smooth ending, and I cannot find it. Any suggestions???