I am using a Map carto tank with pre punched smoketech cartos 1.5 ohm .When I chain vape it starts gurgling and I start sucking juice.I am using a GGTS 3.7 volt and a 1.5 ohm carto.If I do not chain vape it is ok.I am using 80% PG and 20% vg Any way to avoid this when I chain vape???Any help would be great Thanks and have an awesome weekend