It should work out to the same - 1.8% should be = 18mg/ml
But if you as a nicotine mixer mix by weight, you have to take into consideration that VG weighs more per ml than PG
which is why it is easier to mix by volume (%)
Either way, the end consumer can test DIY liquid and see what your nicotine content is - doubt there is a nicotine test kit available locally (yet), but if you google there are plenty available internationally
But if you as a nicotine mixer mix by weight, you have to take into consideration that VG weighs more per ml than PG
which is why it is easier to mix by volume (%)
Either way, the end consumer can test DIY liquid and see what your nicotine content is - doubt there is a nicotine test kit available locally (yet), but if you google there are plenty available internationally