From what I understand, some of them yield purer results. Only done the Tao myself...
It sure grows some pretty crystals.
Also, no real need for the vacuum pump, although it may have made it quicker. I was in no rush though.
"Mama matrix most mysterious." James Joyce
"The next great step toward a planetary holism is the partial merging of the technologically transformed human world with the Archaic matrix of vegetable intelligence that is the Transcendent Other." Terence McKenna
Forgive, you'll live longer.