Shake and vape - target 11mg

[Costas]

when liquid is 20ml
on bottle 60ml

to target 11mg (50PG/50VG)
needed 33ml of 20mg nicotine.

most of the times all are 50/50 (PG/VG)

for the leftover 7ml, add pure PG..!

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to target 11mg (70PG/30VG)
needed 33ml of 20mg (70PG/30VG) nicotine.
7ml pure PG

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to target 12mg
needed 40ml of 18mg nicotine.

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normally to make it 70/30 (PG/VG)
needed to be 25.5ml/1.5ml (PG/VG)