Annodized aluminum- I'm assuming that this material is hardened in some way (annodizing?) that makes it safe to smoke out of since thats what you might see in some smoke shops, but they could just be bastards and not care for safety.

Yeah, I know. People are dumbasses which makes it so damn difficult to do anything pro-active. The best thing that could happen is for an addition to erowid or the lyceaum on the subject so if you feel inclined email them about it because this is definately something that needs to be addressed.
CocaoAtros420 Reviewed by CocaoAtros420 on . Am I breathing poison? The Bongsmith's Guide to Safe Construction All right fools, I'm getting sick of the lack of attention payed to home-made paraphanalia so its time for some handy bong building tips for all you bongsmiths and feel free to add any info. Remember you shouldnt have to breath in anything more toxic than your smoke. Harm reduction not discrimination! Section .01: Materials 1. Choose wisely and dont be impatient. Building bongs is like building puzzles; not all pieces fit. 2. NO TOXIC SHIT! Do not use any thing that gives off a Rating: 5