Grotek High-Quality Earthworm Castings (20 L)
4 left in stock
Grotek Premium Worm Castings are a humus-rich foundation for desirable soil. This product promotes nutrient availability, improves moisture holding capacity, and enhances soil structure, all of which are key to rapid plant growth. The castings in this bag were created using specific, high-quality feedstocks that are proven to create a premium product that supports beneficial microbes in the soil.