Take into words, liquid with a nicotine concentration of 100 mg/ml has 100 milligrams of nicotine in each milliliter of fluid. 12 mg/ml liquid has 12 milligrams of nic in each milliliter of fluid. If you're wanting to do some more advanced mixing, or simply want to make life a little much easier when mixing, a calculator can be very useful. Right here's a few actually excellent calculators you can use.
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