50ml 0mg to make 3mg = 1 x 18mg shot. 50ml 0mg to make 6mg = 2 x 18mg shots. 100ml 0mg to make 3mg = 2 x 18mg shots. 100ml 0mg to make 6mg = 4 x 18mg shots. Flavourless nicotine shots,ONLY TO BE VAPED WHEN MIXED WITH 0MG E-LIQUID - DO NOT VAPE THIS PRODUCT ON ITS OWN, simply add to your 0mg e-liquid as per our nicotine ratio calculator below to achieve your desired nicotine strength.