Not that big of an issue atall..

The flame if it does get in the bowl and travel 2 -3 inches inside, which it normally wont unless your dry hitting it.. and ignite the glue is hard to think of, especially with weed stopping the flame.

I used some silicone and super glue to fix my 2 foot waterbong, it worked swell untill i dropped it on someones lawn inside a bathroom towell. i was on m way to sell a fixed bong :-p
hahaitsdoogle Reviewed by hahaitsdoogle on . Fixing Broken Bubbler with epoxy (read me) well ive read multiple threads on fixing broken glass and i just tried gluing it with epoxy (the stuff that comes in two tubes with a plunger). its held together very well i put some around one of the edges of the broken part and just held the pieces together till they dried.... still not sure if i want to take a hit off it though. i tried a dry hit and really i didnt taste any glue at all i tasted just a normal nasty dry hit. i cleaned it out before gluing it together with rubbing alc. and Rating: 5