First post on here. I start with a 500 ML batch of 12.5 ML Nic, 467.5 ML VG and 20 ML distilled water. I love sour apple belts so this is my attempt at a similar flavor and I've found it very enjoyable. Its a sweet fruity flavor. Note the Apple(tart Granny Smith) by TFA is actually Apple(Tart Green Apple) by TFA.