You grab your new flower and sit down in front of your bong. The water is absolutely filthy after your last sesh. As tempting as it is to just grab the bong and go, there is many reasons you should take a minute and swap out that bong water. Besides the taste being off there are also health risks involved. Your bong water turns into a petri dish of bacteria over time. Mold and bacteria can flourish in dirty water, posing a risk of serious diseases. There will be a heightened chance of causing issues such as asthma, bronchitis, lung congestion, pneumonia, and more. Check out this video below on how to clean your piece.