Gday brewers you wouldnt believe it my flask just made a cloud Crack noise! Its got a fair crack running along the bottom what the. They aint ment to do this eh? I thought they were as tough as nails... Anyone else evee managed to do something like this. Im still boiling in it atm. Is it still safe to use? I took it off the stove and emptied the condense into another pot inspected it put preassuer on it it seems to hold so i put it back on stove. Anyway im darned dissapointed in it thats for sure think i need a new one now.