WONDER SOIL | Organic Coco Coir Brick | The Only Ready to Plant Compressed Coco Coir Fully Loaded with Nutrients | 3 Bricks Expands to 7.5 Gallons | Incl Worm Castings & Nutrients | 3 PackBrand: Wonder Soil Features: ONLY ORGANIC COCO COIR ENHANCED WITH NUTRIENTS! We are the ONLY Organic Coco Coir that contains enhanced nutrients. Ours coconut coir includes worm castings, mycorrhizae, kelp, and more to encourage faster, healthier growth! Feeds your plants for up to four months! 3 BRICK PACK EXPANDS TO 7. 5 GALLONS: Add water and watch Wonder Soil expand and grow before your very eyes to 7. 5 gallons of nutrient rich coconut coir soil