Mills Soil and Cork

Mills Soil & Cork Mills Soil & Cork is a premium blend of peat, coco chips and fine cork. This substrate provides the perfect amount of nutrients for the first 4-6 weeks of growth. Enriched with nutrients Mills Soil & Cork has enough nutrients for the first 4 to 6 weeks of your grow. Perfect for both indoor and outdoor cultivation Whether you grow outdoors or indoors, Mills Soil & Cork will work wonders. Optimal root system Added cork provides optimum aeriation.