Simply Eliquid Slushie Cool Blue Slush Cool Blue Slush is a fruity fusion of blueberry and raspberries that is cool on the exhale. It will remind you of the bright blue slushies that everyone knows and loves. You will receive a 60ml bottle, filled with 50ml Nicotine Free Cool Blue Slush e liquid. You also have the option to purchase it along with a 10ml Nicotine shot. Mixing the Nicotine shot into the Cool Blue Slush e-liquid will make it 3mg. Negating the need to purchase the pre-mixed 10ml bottles. Important Notice: Do not use the nicotine shot on its own - only to be used when mixed with the e liquid provided.