did u ever notice how nasty the bong water got...thats from the ash that falls in and maybe .5% of "chemicals" bneing taken out its all bullshit
lizka4200 Reviewed by lizka4200 on . How Much Does Bongwater Really Filter Out? How Much Does Bongwater Really Filter Out? In my estimation, smoking weed, in terms of actual smoke damage to the lungs, is as dangerous as smoking an unfiltered cigarette. In your estimation, how much do you think pulling the smoke thru water decreases it's toxicity? Rating: 5