Suitable for both cuttings and seeds, Root Riot consistently outperforms alternative media. The cubes are specially inoculated with micro nutrients to nourish the young plants, and also beneficial rooting fungi to aid root development. The new organic propagation medium for soil and hydroponicsMade from composted organic materials, these new cubes have a great spongy texture which retains the perfect air/water ratio for healthy, rapid root growth. Simple to use. Faster, more vigorous rooting. Clean and dust free. Reliable results. Organic and fully biodegradable.