So, I made some 50:50 changa with about 80% caapi and the other 20% blue lotus. I've noticed the 2 40mg experiences (~20mg of DMT) I've been lead to a very familiar place.

The first experience I remember the crazy color patterns moving quiet rapidly. I remember the colors moving so much I can't pay much attention to where I am, as these colors are overlaying my entire visual field. I remember a female asking "Are you alright?" but she was distinctly human, there was also a male presence on my other side. It was as if I had tapped into someone else's current life. It felt all so familiar, as if this scene was something I had experienced before in my life. I remember Her determining that I would be fine and telling me all would be alright, that I was OK. Slowly the color pattern overlaying everything began to slow and the "technicolor living room" I was inhabiting faded from view. This whole experience felt as if all I had done was changed my brain's receiving wavelength to that of another individual on this Earth. But this experience also seemed just barely on the edge of breakthrough, almost like I was teeter-tottering between sub-breakthrough and breakthrough.

This experience I had about 30 minutes ago, seemed almost the same, except the dose seemed slightly lower. It felt like I had tuned back into this person. But this time they seemed to be in a waiting room. Both experiences the area I am in consists of constantly moving fractal patterning so figuring out what is going on is very very hard, and remembering what I think I saw ends up being nearly impossible.

Maybe I am preventing myself from breaking through fully? These places feel so familiar but like I said interpreting forms beneath the patterns proves difficult.

Hi, Killmanjaro!

It is the same with me: when I am there, "the places" seem to be so familiar to me, yet I cannot recall them from "this world" very clearly...

I don´t think you have been "preventing" yourself "from breaking through fully"... But I don´t think you took dose large enough... If I got you right, you vaporized 20mgs of DMT. I would say that for most people, 20mgs - even if vaporized properly in 1 hit through a GVG - wouldn´t be a breakthrough dose.

I suggest you to increase your dose slowly: 25mgs, 30mgs...
BTW: how do you smoke it?