Sounds like you are taking too big of rips. After all, it IS a bong, a risk of coughing is obviously increased.

You said the smoke goes yellowish? That only happens to me when I use a gravity bong, and the smoke is so thick, I could chew it.

Try taking smaller hits or using more water in the bong. The more water, the less space in the bong.

Bongs are hard hitters, especially if it is a ft in height. That's a lot of smoke to enter the lungs all at once within seconds.

Plus, don't let the smoke sit there for very long. As someone said, it gets stale quickly. So fill up the bong with smoke, then release the shotgun hole or slip the slider up. Don't let the bong fill and fill and fill. Just fill it up quickly, and suck it back.
Nochowderforyou Reviewed by Nochowderforyou on . Getting Really Harsh Bong Hits I recently aquired a graffix bong, glass on glass, thats a little over 2 feet tall. Recently though, i've been having some trouble with hits that have been destroying mine, and my friends lungs, sending us into a coughing frenzy for about 5 minutes. Sometimes the smoke seems to stay down the bottom of the bong, and thats when it usually starts to taste like complete ass. The smoke will occasionally turn a nasty yellow color as well. I don't know if its the quality of the weed, if the Rating: 5