Discounts apply to the flavour concentrates only.
All you need to do is select 10ml, 30ml or 120ml flavour concentrates or combinations of 10ml, 30ml or 120ml flavour concentrates together, its all about the quantity of flavour cencentrates not the size bottles to receive your discount.
Want to learn how to make Eliquids? link: Southern Cross Vapers Guide DIY
Any questions on concentrates please feel free to contact one of our staff.