CIELO TEK: Mescaline extraction from cactus using ethyl acetate and fumaric or citric acid crystallization

Mescaline extraction from cactus via the CIELO TEK uses ethyl acetate as the solvent and fumaric acid or citric acid for crystallizing the final mescaline salt. The process starts by growing and harvesting San Pedro and turning cactus into a uniformly fine, dry powder. Powder is mixed into a lime and water “wet crumb” consistency, then extracted in a French press with ethyl acetate through multiple solvent pulls to recover nearly all added solvent. Safety guidance focuses on solvent handling, ventilation, and acid compatibility. Crystallization is triggered by adding fumaric acid (or citric acid) to the ethyl acetate extract, where mescaline freebase forms insoluble monomescaline salts that crash out either slowly by diffusion or faster with stirring. The guide covers collecting crystals, rinsing, solvent reclaim, and troubleshooting cases like goo formation when solvent water content is too high.