- Unique Lightweight Expanded Clay Aggregate
- Very Porous, Free Draining, pH Neutral, and Reusable
- Uneven Shape and Size Provides Good Support for Orchid Roots
- Inert, and Promotes Good Oxygen Levels at the Root Zone
- Particle Size Ranges from About 1/4 Inch to 5/8 Inch
Note: In general, one quart of potting media fills a six inch wide pot, two four inch pots, or half of an eight inch pot with no plant in it.