There is sharing some concepts of DIY e-liquid.

1.PV proportion
It means the proportion of PG and VG. Too much PG is easy to cause sore throat and dizziness while too much VG is not good at guiding e-liquid. So it is important to choose correct proportions of PG and VG to balance the smoke volume and taste. The often used PV proportions is 7:3, 6:4 and 5:5. When DIY e-liquid, most people will adopt 5:5 PV proportions.

2.Nicotine strength
The nicotine strength is about the nicotine content in e-liquid. DIY e-liquid mostly use 6mg, 4mg, 3mg or 0mg nicotine. It is mainly according to different people’s addiction to nicotine and various favorite taste.

3.Flavors proportion
Generally speaking, it is better that the flavors proportion occupies less than 20% in total amount of e-liquid. In other words, if you DIY 10ml e-liquid, the usage of flavors proportion should be controlled to be 2ml or less than 2ml.

4.Wake e-liquid
>>This is the most important procedure in DIY e-liquid. It directly decides the taste quality of e-liquid. So what is wake e-liquid? How to wake e-liquid and how much time to wake it? To say it informally, wake e-liquid means to make all kinds of materials of e-liquid evenly melt together.

>>The recommended method to wake e-liquid is: 
(1) When the e-liquid is prepared well, in the first 3 days, you could shake it a few minutes, then open the lid and leave it about 1 minute, and then tighten the lid. 
(2) 3 days later, it is enough good as long as shake the e-liquid evenly. 
(3) 7 days later, you do not need to shake it, just waiting for it to get better taste quality.

>>As for the time to wake e-liquid, it is different according to different flavors and different formulations. Tobacco flavors and complicated flavors e-liquids need more than fruits flavors and single flavors e-liquids. If you do not hurry to smoke, you could wake and store the DIY e-liquids in 1-2 months to have a better taste.