OP did not point out In case the 10 - 12 gr bark was powdered or not, I believe powdered for a cold tek. I would never chilly soak a non-powder, not even finely shredded, because that may be wasting product imho. some say Which might be undesirable - but https://keybookmarks.com/story20046868/5-simple-techniques-for-where-can-i-buy-ayahuasca-tea