I mean, these days, it's not even usually smoke. And I don't even just mean vapes; there's all the edibles and tinctures that have soared in popularity particu

I mean, these days, it's not even usually smoke. And I don't even just mean vapes; there's all the edibles and tinctures that have soared in popularity particularly with the rise of legalization. Then there's the older use of water filtration in bongs and bubblers (and hookahs, on the tobacco side). Curious how much tar is removed by passing through cotton compared to passing through water.