I use around 20ml per week in the ScrewDriver and have done since I started vaping with a 901.
Best idea to measure how much liquid you use.
Stick to one flavour for a week.
Open a new 20 0r 30ml bottle
Use only 1 cart and Top Off.
See what is left on the 7th day.
Best idea to measure how much liquid you use.
Stick to one flavour for a week.
Open a new 20 0r 30ml bottle
Use only 1 cart and Top Off.
See what is left on the 7th day.