closed eye fractals can happen with either MDMA or ketamine alone, and they synergize with each other to create stronger effects.
so the presence of closed eye visuals on a mixture containing at least MDMA and ketamine would not in any way suggest that it necessarily contains any 2C-B.
so the presence of closed eye visuals on a mixture containing at least MDMA and ketamine would not in any way suggest that it necessarily contains any 2C-B.