Rocks for Rock Eaters

Rocks for Rock Eaters are designed specifically for xerophytes (also known as stone eaters). We use a mineral composition that drains extremely quickly to prevent root rot, one of the most common sources of plant failure. These rocks are a simple but effective solution for your plant's health and longevity. Mineral substrate containing trace limestone and other mineral compounds 2-10mm particle size  Suitable for astrophytum, ariocarpus, lophophora, and many other desert cacti Very well-draining Less than 10% organic material  Sold in 250g bags, enough to fill 1-2 small pots