Hello I need some help I have tried a few nicotine juices at all strengths and they elevate my heart rate too much so I am going to try 0 nicotine juice in my final attempt with e-cigs but I need to have a good throat hit can you recommend some good 0 nicotine juice does not matter if the juice comes from the usa or the uk but please no juice from china I have a riva 510 and a provari so I have no problems producing vapour any help would me much appreciated