An all plastic bong is probably much worse for you than an aluminum can pipe.
Toxic fumes kill brain cells, atleast that is scientifically proven, versus the alzheimer ---> aluminum products theory.
toothpaste100 Reviewed by toothpaste100 on . Just made and tested this new one! Don't ask how I pulled this one off. Just kidding dudes, feel free to ask. It works great if you wana give it a try. Click for the larger image... Rating: 5