It is perfectly safe to mix e-liquid at home providing you adhere to the following:
- Make sure the area you are mixing in and any utensils you are using are clean.
- Check and then double check that the amounts you are adding are correct.
- If handling higher strength nicotine (30mg and above) avoid contact with skin. Use gloves if possible.
- Keep all ingredients, including the final product out of reach of children and pets.