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Volcanic Clay Shale
Slate Specialty Organic
Mixes Fertilizers



We are committed to providing the largest selection of the highest quality, American-mined, bonsai aggregates in the world. All of our UltraAgg components are truly ready-to-use out of the bag - no washing, no drying, no processing of any sort, giving you more time for bonsai.

Learn more about our high quality aggregates, particle size classification system (ie #20 Mini), as well as the properties of each UltraAgg component.