Feed your soil to feed your plants! Gro4 Premium Earthworm Castings are the ideal soil amendment for adding in essential nutrients and microbial life. Mix 30% castings to existing soil and see a huge difference in your outputs and production rates.
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We are producers of certified organic earth worm castings and soil blends. We pay careful attention to the bio-diversity of each plant and custom blend soils to get healthy strong plants with high production rates. Our worm castings come certified and lab tested to ensure that they meet our high standards. We have created a premium cannabis soil mix that is rich micro nutrients and microbial life. Know exactly what you want in a soil mix? Give us a call, we can create a soil mix specifically for you. Consultations are available.
