Originally Posted by Dunkel
A wider gauge downstem or hookah hose could be the cause. Also bowls like a funnel, superchief or Vortex where the shisha tobacco isn't directly over the holes pulls easier.
The cafe used the same bowl as mine, and same hose (plastic disposable hose) which is wide enough. I think it might be the covered holes in the bowl, or that my bowls have fewer holes to avoid tobacco falling down the stem. Thanks