Nicotine shots made with Nic Salts to provide a smoother throat hit. Add these Nic Salt shots to any short fills to give them a Nic Salt boost, the most common short fill size is 50ml. Make sure to shake you shortfill vigorously for at least 2 minutes after adding the nic salt shot to ensure that the nicotine has been distributed evenly in the bottle.

Some examples of Nic Salt Shot / Short fill mixing:

Mix 1 x 18mg Nic Shot in 20ml Short fill bottle to get 30ml of 6mg eLiquid.
Mix 1 x 18mg Nic Shot in 50ml Short fill bottle to get 60ml of 3mg eLiquid. 
Mix 2 x 18mg Nic Shot in 100ml Short fill bottle to get 120ml of 3mg eLiquid.