Got some of the clear-glass 10-0 beads recommended recently: been playing around a bit with bead and water levels in the past few days and finally got where I really like them...the process of experimenting is (obviously) very fun as well
Taken a few vids in the past couple days but the lighting was really bad, gonna try one more time tomorrow morning before uploading one. Will go a little more in depth in the morning as well
EDIT:
Cleaned the beads today (just a hot water rinse with the strainer) and messed around levels a little more. The thing that amazes me about using these beads is how completely different it makes hit feel.
I'm using the beads in a 250ml Ehle with a diffused downstem. I'm still experimenting so I haven't found a perfect level. That said, the beads if arranged in certain configurations allow no chug at all(and especially non-diffused downstem, thinking about picking one just for this application). Instead of the violent rocking of bubbles (just a description relative to the beads with the same Ehle 250ml) there's almost a fizzling. That said, when I stack the beads up to the pinches a fair amount of resistance is added. I haven't been stacking the beads that high since they are so small (again these are the 10-0's) and water bubbles bring allow them to splash up really easily.
I think the next step is definitely getting some larger beads to stack on the small ones, that way the beads could be almost all the way up to the 'mouthpiece.'
Again, the beads make the piece feel completely different. While some types of diffusing pieces may allow a reasonable amount of variable resistance (not sure about that terminology, just describing that you may pull very hard or very soft with different pieces allowing a different amount of airlow) I've noticed that when there's a lot of beads and consequently much more resistance, there's not so much variation in input: its as if you start pulling and once the threshold (of air passing through the water/beads) is passed you're getting air very easily. This isn't the case with all set-ups, with a lot of water, i.e. water above the bead-level, there's still some of that chug, I like this actually and in the beginning it feels more recognizable to actually
feel the water in there as well.
Gotta run now, but I've noticed a couple things with taste when using the beads. The beads (if they're clean of course) don't seem to add any taste but allow a different experience of tasting the vapor in my experience. The beads don't allow a lightning fast clear but I don't think this is necessarily a bad thing: instead of all that accumulated vapor being shotgunned so-to-speak (an alternate and very enjoyable experience as well IMO) its a slower draw to get at it all. I haven't done enough back-to-back (beads and water vs. just water) testing but I'm enjoying playing with the beads for now
EDIT: will add a video in the next couple days, the lighting in the ones I took is so bad you can't really see whats going on.