How to use Boss Reserve
Twisted Boss Reserve is a food-grade flavor concentrate for mixing your own e-liquid.
Work out the amounts for your volume, nicotine strength and PG/VG ratio in the DIY calculator.
twisted/boss-reserve
Twisted Boss Reserve is a food-grade flavor concentrate for mixing your own e-liquid.
Work out the amounts for your volume, nicotine strength and PG/VG ratio in the DIY calculator.