Busting the Myth That Water Filtration in Cannabis Consumption Makes Smoking Weed Safer
September 19, 2025

A new study from researchers at the University of Wisconsin-Madison and Thailand has dropped a bombshell that’s shaking the foundation of stoner science. Using sophisticated gas chromatography-mass spectrometry – the kind of equipment that can identify compounds by their molecular weight – they analyzed smoke from three popular strains consumed through both joints and bongs. The results? “Bong water does not seem to significantly filter out any compound from the smoke.”