Rockwool 1.5" cubes (45/Pack)

Description

🌱 Root like a pro—grow smarter, not harder!

Grodan Rockwool 1.5" cubes (45/pack) are sterile, inorganic growing media made from spun molten rock, designed to optimize rooting with 20% air space at saturation. Nutrient-free and requiring an 8-hour soak for conditioning, these cubes offer a clean, customizable foundation for professional-grade plant propagation.