Hello, here is my problem. I purchased some nic otine, 30ml 150mg. I cut the nic down to 75 mg. I started to use the calculator. On top I put 50mg pg and 50mg vg Nic strength 75mg and nic strength 75mg. For target strength I put 18%. When I hit the calculate the target strength for nic sais 24 mg. What am I doing wong?? Please Help
Thank You