hi all need bit help been vaping bout year started of 50/50 juice 3 months got rta started use 70vg/30pg mix month later started get heart burn lungs burn and shortness of breath tryed ni80 ss316 stainless steel kanthal wire still same last 3 week back using 50/50 heart burn lungs shortness of breath so much better i think im sensitive to VG anyone try 30vg 70pg mix still get vapour ?