Hero image 0 of Grodan Rockwool Cubes Sterile Inorganic Growing Medium for Seed Starting & Rooting Cuttings (1.5 Inches) 49 Cubes, 0 of 4
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Grodan Rockwool Cubes Sterile Inorganic Growing Medium for Seed Starting & Rooting Cuttings (1.5 Inches) 49 Cubes
Key item features
- Sterile Medium: Grodan Rockwool cubes are crafted from spun molten rock, providing a sterile, nutrient-free environment optimal for rooting cuttings and fostering healthy plant growth.
- Balanced Aeration: These cubes maintain 20% air space when saturated, ensuring excellent oxygen flow and moisture retention for robust root development.
- Simple Conditioning: Prepare cubes by soaking for 8 hours in pH 5.0-5.5 water, then rinsing with pH 7.0 water to maximize planting and rooting success.
- Consistent Sizing: Each 1.5-inch cube is precisely sized, supporting uniform seedling growth and simplifying handling during propagation and transplanting.
- Versatile Reusability: This 49-pack is suitable for hydroponics, greenhouses, and home gardening, offering long-term value through reusability after rinsing.
Generated by AI
Specs
- Plant germination tray & kit typePlant Germination Trays
- MaterialRockwool
- FeaturesDrainage Holes
- ShapeCube
- Color typeBrown
- BrandHydrofarm
Current price is USD$17.86
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About this item
Product details
Promote healthy root development and efficient propagation with Grodan Rockwool Cubes. Made from spun molten rock, this sterile, inorganic growing medium offers a nutrient-free environment ideal for rooting cuttings and starting seeds. Each 1.5-inch cube provides 20% air space when saturated, balancing moisture retention with optimal oxygen flow for vigorous root growth. Easily prepared by soaking in pH-adjusted water, these cubes ensure uniform size and consistency for seamless transplanting. Perfect for hydroponic systems, greenhouses, and home gardening, this 49-pack of reusable Rockwool cubes supports sustainable, high-quality plant propagation.
- 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.
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Showing 1-3 of 10 reviews
Feb 19, 2021
Donald
5 out of 5 stars review
Verified Purchase
Staying safe...
First time using, works great for starting seeds indoors. Tried finding it here in our small town, none .. With the current Covid19 situation was the chose for me to order thru Walmart. Here within two days. Free shipping...
Helpful?6NZ1RRWY23K1590580987
Feb 13, 2024
Grower
5 out of 5 stars review
Verified Purchase
These worked very well in our aeroponic garden. Great growing material for the seeds in this system.
Incentivized Review
Helpful?6NZ1RRWY23K1590580987
Jul 6, 2024
Edyth
5 out of 5 stars review
Verified Purchase
Works perfectly with my Gardyn
Already have chard growing in them. Very happy!
Incentivized Review
Helpful?6NZ1RRWY23K1590580987
