Magnolia Pods , from trees of the Magnolia genus, are woody structures that contain the plant's seeds. Used in aquariums and terrariums, these pods are valued for their decorative and natural appearance. While not particularly rich in tannins, they can contribute to habitat enrichment by providing hiding places for fish, shrimp, and other invertebrates. Magnolia Pods add an aesthetic touch to aquariums and terrariums, while also promoting a more natural environment for the species that live there.