I've been having the occasional colonic since the first time I got up enough courage to go to a therapist when I was in my mid 20's back in the 70's..
I knew about colonics from age 10 or 11 from seeing them in the Boston Yellow Pages, but it was on a trip to Los Angeles in 1972 when I finally tried one. It was in a health spa/gym setting in Hollywood, and the male operator was uninspired, to say the least. The machine was interesting, one of those gargantuan Coombs machines. Yes, those things were right out of a science fiction movie!
Fast forward a year or so, back to Boston and Mildred Burgess' home built gravity machine where she gave both colonics and enemas and was far from uninspired, she was the best (until the state health officials closed her down) and could get a colon tube all the way across my transverse colon!.
By the 1980's many clinics were gone and it looked like colonics would soon be a thing of the past.
Fast forward again, and now it seems like colonics and enemas have gone mainstream, with many cities having multiple clinics once again, some clinics in smaller cities and towns, too.
While there may still be some antiques out there, like Dierker and Coombs machines, and even a few home made systems, what we have now fall into to categories, open and closed.
The question is which type do you prefer, and isn't the open machine nothing more than a series of enemas, and depending on your ability to hold water may not do a very good job a cleaning your colon.
My first experience with an open machine was a Libbe at a clinic in Portland. After a brief description of how to get on to the machine and insert the tube, the "therapist" left the room, came back a few minutes later to turn on the water, checked on my twice for a moment or two over the next 40 minutes, then came back to turn off the water. What a joke, I could have easily accomplished the same cleaning at home with a series of enemas or a colema board... and with the series of enemas I would have know how much water I had taken with each filling... and so on.
Several therapists in Portland have Closed machines, all modern with disposables, and they take the time to work with you through the entire colonic, massaging you abdomen, getting the water very high up with good releases... They really earn their money.
I would never waste my money on an open colonic on a Libbe or other machines.... but that's my opinion, what's yours?
I guess there is one advantage to the open machine, with the therapist out of the room for most of the colonic that does leave your hands free ;-)