- Premium Inorganic Growing Medium ? Made from spun molten rock, Grodan Rockwool cubes provide a sterile, nutrient-free environment perfect for rooting cuttings and promoting healthy plant growth.
- Optimal Air and Water Balance ? With 20% air space when saturated, these cubes ensure excellent oxygen flow and moisture retention, creating ideal conditions for strong root development.
- Easy to Condition for Best Results ? Simply soak the cubes for 8 hours in water with a pH of 5.0-5.5, then rinse with pH 7.0 water to prepare them for planting and maximize rooting success.
- Consistent Size for Uniform Growth ? Each 1.5-inch cube is precisely sized to support consistent seedling growth and easy handling during propagation and transplanting.
- Versatile and Reusable ? Perfect for hydroponics, greenhouses, and home gardening, these 49-pack cubes can be rinsed and reused, offering long-term value and sustainable growing.
