Confused about the different STB options, I did a little chart to compare them. Specifically, I compared Noman's, Whatcha's, and the Lazyman's (by Vortex), to better understand the differences and the commonalities. I thought the results were interesting enough to post.
First, all three use essentially the same ingredients -- MHRB, tap water, lye, naptha.
All three are pretty similar up to creation of the dmt-naptha solution.
1. Make your lye-water solution.
2. Combine lye-water solution and MHRB.
3. Wait 1 hour (agitating mixture)
4. Add naptha
5. Wait 1 hour (agitating mixture)
6. Separate naptha
The differences through these stages are as follows:
1. Noman's and Whatcha's both call for 1 gram of lye per gram of MHRB; however, Lazyman's only calls for 0.5 grams of lye per gram of MHRB.
2. Noman's calls for 15 mL water per gram of MHRB; Whatcha's calls for about 4.2 mL water per gram of MHRB; and Lazyman's calls for about 50 mL of water per gram of MHRB.
3. Noman's calls for 1 mL of naptha per gram of MHRB; Whatcha's calls for about 0.9 mL naptha per gram of MHRB; and Lazyman's calls for about 0.5 mL naptha per gram of MHRB.
4. Lazyman's contemplates use of MHRB chunks rather than powder, such that you pour the lye solution over the MHRB and then "mash" it in to create the MHRB-lye solution, whereas the other two contemplate use of MHRB powder. (Ironically, Lazyman's calls for 20-30 minutes of mashing both when the lye-solution is poured over the MHRB and again when the naptha is added which, to me, sounds like hard work.)
5. After the naptha is added, Noman's calls for agitation by rolling (to avoid emulsification); Whatcha's just says shake it; and Lazyman's calls for mashing / mixing.
6. Whatcha's TEK calls for both the lye-water-MHRB and the lye-water-MHRB-naptha mixtures to be in hot water (a heat bath) during the waiting period.
I think the most interesting difference is the quantity of water and, on a related note, the strength of the lye-water solution. Whatcha calls for about 1/4 the water as Noman but just as much lye, meaning the solution is 4 times more concentrated. Lazyman's calls for over three times the water and half the lye as Noman's, meaning the lye solution is 6 times weaker than the Noman's lye solution, and 24 times weaker than Whatcha's lye solution. Some one might want to check my math on this, because that seems (to my untrained mind) like a huge difference if everyone is aiming at a similar pH.
After these initial stages, the process diverges but is still pretty analogous. Noman's contemplates putting each pull into a separate jar which goes into the freezer after each separation, whereas Whatcha's contemplates putting each pull in the same container (one pull per hour or so over a 4-6 hour period) and then putting the resulting single container into the freezer. Lazyman's contemplates no freezer at all, but simply evaporating in front of a fan. The notes after Noman's TEK also suggest possibly evaporating somewhat before freeze-precipitation, or possibly cutting the amount of naptha used.
Whatcha also includes sodium carbonate, water, and espom salt washes of the dmt-naptha before freeze-precipitation, whereas Noman's includes doing an initial recrystallization stage using naptha during which he proposes doing sodium carbonate and water washes. (Frankly, Whatcha's approach of doing these before freeze precipitation seems simpler.)
Both Noman's and Whatcha's favor doing subsequent recrystallizations (with heptane?) to purify the spice, but I don't think Lazyman's mentions that.
What I took away from this is that the ratio of lye:water:MHRB can vary quite significantly while still giving similar results. Also, putting the similarities of these techniques side-by-side has helped me get a "big picture" of the naptha STB extraction process.
First, all three use essentially the same ingredients -- MHRB, tap water, lye, naptha.
All three are pretty similar up to creation of the dmt-naptha solution.
1. Make your lye-water solution.
2. Combine lye-water solution and MHRB.
3. Wait 1 hour (agitating mixture)
4. Add naptha
5. Wait 1 hour (agitating mixture)
6. Separate naptha
The differences through these stages are as follows:
1. Noman's and Whatcha's both call for 1 gram of lye per gram of MHRB; however, Lazyman's only calls for 0.5 grams of lye per gram of MHRB.
2. Noman's calls for 15 mL water per gram of MHRB; Whatcha's calls for about 4.2 mL water per gram of MHRB; and Lazyman's calls for about 50 mL of water per gram of MHRB.
3. Noman's calls for 1 mL of naptha per gram of MHRB; Whatcha's calls for about 0.9 mL naptha per gram of MHRB; and Lazyman's calls for about 0.5 mL naptha per gram of MHRB.
4. Lazyman's contemplates use of MHRB chunks rather than powder, such that you pour the lye solution over the MHRB and then "mash" it in to create the MHRB-lye solution, whereas the other two contemplate use of MHRB powder. (Ironically, Lazyman's calls for 20-30 minutes of mashing both when the lye-solution is poured over the MHRB and again when the naptha is added which, to me, sounds like hard work.)
5. After the naptha is added, Noman's calls for agitation by rolling (to avoid emulsification); Whatcha's just says shake it; and Lazyman's calls for mashing / mixing.
6. Whatcha's TEK calls for both the lye-water-MHRB and the lye-water-MHRB-naptha mixtures to be in hot water (a heat bath) during the waiting period.
I think the most interesting difference is the quantity of water and, on a related note, the strength of the lye-water solution. Whatcha calls for about 1/4 the water as Noman but just as much lye, meaning the solution is 4 times more concentrated. Lazyman's calls for over three times the water and half the lye as Noman's, meaning the lye solution is 6 times weaker than the Noman's lye solution, and 24 times weaker than Whatcha's lye solution. Some one might want to check my math on this, because that seems (to my untrained mind) like a huge difference if everyone is aiming at a similar pH.
After these initial stages, the process diverges but is still pretty analogous. Noman's contemplates putting each pull into a separate jar which goes into the freezer after each separation, whereas Whatcha's contemplates putting each pull in the same container (one pull per hour or so over a 4-6 hour period) and then putting the resulting single container into the freezer. Lazyman's contemplates no freezer at all, but simply evaporating in front of a fan. The notes after Noman's TEK also suggest possibly evaporating somewhat before freeze-precipitation, or possibly cutting the amount of naptha used.
Whatcha also includes sodium carbonate, water, and espom salt washes of the dmt-naptha before freeze-precipitation, whereas Noman's includes doing an initial recrystallization stage using naptha during which he proposes doing sodium carbonate and water washes. (Frankly, Whatcha's approach of doing these before freeze precipitation seems simpler.)
Both Noman's and Whatcha's favor doing subsequent recrystallizations (with heptane?) to purify the spice, but I don't think Lazyman's mentions that.
What I took away from this is that the ratio of lye:water:MHRB can vary quite significantly while still giving similar results. Also, putting the similarities of these techniques side-by-side has helped me get a "big picture" of the naptha STB extraction process.