Wow, I tried this in the fumarate form at 13.5 mg yesterday and I must admit that the intensity of it caught me off guard. For what I've read on the previous thread I was expecting mild effects, but it was actually very potent for me. Also, very short lived. The come up was so fast it almost become a little uncomfortable. I felt shaky and my temperature receptors were very confused. But at the same time, I felt so euphoric, that it wasn't really a problem.
Visuals weren't very colorful, but they were completely immersing. Everything was breathing, lots of patterns everywhere, the visuals where so prominent they became three-dimensional at times. I wasn't expecting full blown tripping at this dose. Also, the bodily sensations where incredibly intense, all my senses felt disarranged, my skin felt cold, but my chest was warm inside. I had that head rush I get with tryptamines, like mental orgasms. Spontaneous tactile sensations. It felt amazing actually, it was pure psychedelic orgy. Remarkably, I felt fairly clear-headed, and anxiety was nonexistent. There was clearly a trippy headspace going on, but verbalizing was easier than with other psychedelics, thought processes were altered but I still was in charge of them.
But suddenly at arround t+2 everything ceased. I felt from +++ to ++ in an interval of 10 minutes, and was left very confused. Everything seemed to happen too fast, yet that two hours felt incredibly long. It was as if too much had happened in too little time, it was very difficult to grasp. For the next two hours I was tripping very mildly, and began to feel progressively restless and uneasy, which was emphasized by the little muscular tensions I was feeling, specially in the area of the neck and face.
At t+4 I decided to smoke some high CBD cannabis to relax a little bit, which worked wonders. The visual madness came back when I smoked, but it was different. I felt a lot less euphoric, rather tranquil and happy. The visuals where less defined, a lot blurrier, but they where incredibly complex if I would let them manifest. In fact, probably the most complex I have ever seen. The introspective part of the trip was also intensified with cannabis, but in a calmer, more contemplative form.
Sleep was hard at t+7, but not impossible.
All in all I was very impressed, and I would say this is still very potent at "lower" dosages, but I must admit that most of the dosages reported here on bluelight are a little on the higher side for me.