manske is basically saturating the solution with salt and putting in the fridge, which will precipitate the harmalas as HCL salts, and the other unwanted alkaloids (vasicine and vasicinone) will not precipitate. There will probably be at least some salt contamination but salt is edible and you wont need to be exact about dosage, just divide in 3.
The whole extraction process is also written detailed here with pics:
https://wiki.dmt-nexus.m...ion_and_Separation_Guidebut if its for immediate consumption, one could just do the manske part without doing the rest, to keep it simple.