Already posted in the gs tank section but no one's answering. Have got two tanks and they have been okay for a few weeks have been changing coils and flavours no problem but last night washed out one of my tanks and left it till this morning filled tank. Primed the new coil. Second drag and it tastes rubbish and quite burnt. I have experienced this once before. Is it dud coils or what cause I'm getting seriously frustrated and does that mean the juice in my tank is ruined!?