What Does the Drainage Layer Actually Do? w/ Dr. Scott Barboza - Ep 61
Podcast: Bonsai Builders PodcastPublished On: Wed Oct 21 2026
Description: How do geology and fluid mechanics dictate the health of your bonsai bench? In this episode, host Addison Galambos sits down with Dr. Scott Barboza, professional geologist and leader in the American Bonsai Society. They deconstruct the physics of bonsai soil and talk through Scott's research into common bonsai soil components. They explore how solid particles, water, and air interact within shallow pots, why traditional "drainage layers" are misunderstood, and how to balance organic vs. inorganic mixes for vigorous growth versus fine refinement.
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