Tihkal: A Continuation by Ann Shulgin and Alexander Shulgin Pre-poured All of our agar products

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The humble rye grain

They manufacture it with equipment they designed and with proprietary additives

ARTFUL SCIENCE: Lewis's illustrated field notes showcase the intersection of art and science at its best

Tihkal: A Continuation by Ann Shulgin and Alexander Shulgin Pre-poured All of our agar productsContains over 70 experiments, complete with notes and ingredients with the focus on Tryptamines. The first half concentrates on Shulgin's spiritual journey, ideas and philosophy. Foreword by Daniel M Perrine and preface by Nicholas Saunders. Edited by Dan Joy. Paperback softback 804 pages