Leaking is covered with the Maker's Warranty provided that the tank provides a production fault, which has to be noted to us within four days as Useless on Arrival. Any tank is capable of leaking unless the tank is marketed as leak-proof, which then protected through the producers guarantee. http://vikingvapor1418.blogolize.com/The-Greatest-Guide-To-nuckin-futs-br-by-acc-jooce-12951934