i made a bong out of a big ass piece of bamboo and it had a copper pipe as the stem and a screen that was brass put in the pipe. i put ice water in it so the copper never got hot but if there were any vapors would the water they were filtered through help any?
Left Reviewed by Left on . copper... i've asked this before and got mixed answers... does anyone know for sure if using a copper stem for your bong is harmful? Rating: 5