Re: is there supposed to be ash buildup/particles in the hose?
I have tried the filtering hose tips that are supposed to catch the particles, and to be honest they don't work at all. The cheeses cloth idea is a great suggestion, but not the best. I suggest that you clean your hose. I simply siphon scolding hot water through mine and it does the trick quite effectively. You can see all of the hose build-up turn the water all brown and nasty. I really don't like smoking through a hose that has all of that nasty stuff in it. Not to mention that smoking out of a dirty hose makes the smoke taste like the last few flavors you smoked. You will have a better overall experience if you clean your hose after every other smoke session. Or at least more often. I hope my advice was helpful. Keep smokin'