Hello I just got into rebuilding like 3days ago . My first build was a dual coil it was .6 ohms on a igo-w then I rebuild my protank 2 head first few Vapes was fine good vape good taste then it started gurgling took the tank off cleared it five or so more vapes it started again . I used cotton balls,cotton,yarn Idk what the problem is it just keep happening. Useing 28 g wire so I was thinking of making the cotton wick a bit thicker if some 1 knows what's the problem is I could really use the help lol cause its hard to drip and drive its just as deadly as drinking and driving lol