Hi all..I have a protank clone and no matter what coils I put in it, it gurgles and pulls liquid through the tube..I even bought geniune kanger coils for it with no luck..I change the coil fill my tank and half way through the tankful it starts gurgling and pulling liquid through..any ideas on what is causing this and how I can stop it from happening..it doesn't happen with my t3, gs-h2 or eonsmoke tanks..only the protanks..I'm using 1.8 ohms and an 1100 ego battery..thanks
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