Q: Can I refill nang bottles myself? A: It is usually recommended to buy pre-filled nang bottles from reliable suppliers. Refilling nang bottles by yourself may be risky and will compromise security. Nang tanks run through a uncomplicated mechanism wherein the pressurized gas is introduced from the tank, normally using https://angelogandj.mycoolwiki.com/7845669/not_known_details_about_nang_delivery