Hi Im having a bit of trouble with some e liquids ones I buy from shops and also ones I make myself, I keep getting a weird scratchy feeling in my throat so after some research came across people sayin could be the pg so Im now vaping 80/20 and still happens it's not the coil they get changed all the time, Iv also tried cutting nicotine down to 3mg in my tank and still the same, Im Gonna end up going back to cigarettes haha, using an rx200s with TFV8 running around 70-100w mixing my own juices I always use 20% flavouring some people said 15% is where I should go so made some last night and still the same any help would be great and sorry about very long post thanks