I have the upline bubbler coming from China DHgate cheap version I posted in that glass thread, curious about the experience, but I don't think cooling is necessarily the focus? Seems more like a milking flavor piece with some potential cooling from the choke effect but I don't know how much considering the rest of the design...
I also finally caved and ordered
this because it seems like a solid slitted ratchet fountain perk, with plenty of right angle bend dry path before it even gets to the water for cooling and catching debris (since it is a male joint I will be using a female to female s-shape drop-down adapter with it as well for even more right angle dry cooling path) and then it has those three cross joint swiss holes for further cooling of the vapor after it goes through the fountain perked water. They shipped it out quick and it is already moving, you know I will be reporting on it when it arrives! (it was $48.85 for me, the price fluctuates and DHgate coupons are starting soon again should be able to get it for under 50)
I'm excited to try the swiss holes, they seem very effective, a nice in between of an egg and cooling spikes perhaps, you just need something to disrupt the vapor, I think right angle bends really help so drop down adapters are really beneficial... GlassManufacturers can send you two of two different sizes if you ask them when you order, and
allaccessary has super fast shipping with every adapter you need as well!
I don't know if it's been mentioned in this thread yet, but Cloud Connoisseur new Prodigy Seems like a fantastic option specifically for big cool hits, worth checking out his glass thread (a dry piece is coming soon too)
Otherwise I am still really loving my TAG modular super slit donut for an all-around piece, flavor and diffusion, smooth milking, I use my CaliBear straight fab egg fol perc dry usually for the cooling though it is hampered by a restrictive mouthpiece... FireWithinGlass has his own perks that are pretty good, some of them do a lot of filtration and he has doubles and ash catchers, I think you can get really smooth hits, when I use my bubbler of his hits are too smooth and I usually want more flavor and milk lol I have another one from him I like using a bit better...
Try eBay for the peyote pillar?
Phoenix glass or Yingmin5