hi , long time since i posted but just now i wanted to switch tanks , and when i unscrewd my current one something fell out . i found it its something gold , i put it in my 510 hole and now it works , but how can i make it stay there
from General Vaping Discussion https://ift.tt/2PlmoTf
from General Vaping Discussion https://ift.tt/2PlmoTf
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