Anyone using Muha Carts? And what voltage of Yocan UNI Pro?and Does having it set at a higher volt. Waste more oil?

Answer:
Flavor Lover choice: 2.5V
Flavor-centric vape enthusiasts will enjoy the lowest voltage option: 2.0- 2.5V

Mass vapor production: 3.5V
While those who want denser big cloud vapor production will find themselves using: 3.5-4.2V voltage option.

Balance Choice: 3.0v
The best of both voltages can be found by using the 3.0V, which strikes a fantastic balance between taste and throat feel.