Although the link was broken, was able to google the title and find it.
That tek has (or a link of it) has been on this forum before and yes it is easy and uses pretty basic (toxic) materials...
but it is nothing new at all. STB lye teks have been around for a while.
The newer teks use pickling lime, d-limonene, vinegar. Many use fumeric acid and acetone or IPA. Some use naptha or xylene.
The drawback of the STB is that it takes much longer for the freebasing of the alkaloids compared to acid/base reactions.
Also, though pickling lime can be used for STB it is very slow, so that leaves nasty and toxic lye as the prime candidate...
for a process that can be done with only pickling lime, vinegar and a non-polar solvent.
Anyway, that's why, lol
Peace
Q21Q21's Tek: A comprehensive guide to extracting DMTThe 2 teks use non-toxic lime and vinegar and Tek 1: d-Limonene or Xylene or Tek 2: Naptha to produce very quick high yields with the greatest of ease.I am almost never on this site anymore so I will likely not answer PMs