What strength nicotine e liquid should I use? Just Juice Juice Head Watermelon Lime eJuice eJuiceDirect Switch from High Nicotine to Low Nicotine Vape Direct Hi Drip Melon Patch (100ml) Hi Drip E Liquid 100ml Vape Street Vape juice contains a long list of chemicals, many of which aren't even listed on the packaging. Testing has also shown that vapes labelled " nicotine free" can have high nicotine levels. Sweet Tooth Alpha Vape E Juice (60 ml)