1.5" x 1.5" x 1.5" MM40/40 Rockwool Cubes – Pack of 45 Option:Grodan 1.5"x 1.5"x 1.5" MM40/40 Rockwool Cube - Case of 2,250 blocks Details: After completing your purchase

Details: After completing your purchase a member of our sales team will email you the PDF files

it stands out with strong internal burn resistance and slow bolting—perfect for high-quality

Shown with optional reservoir cart (sold separately)

Improved Root Health

1.5" x 1.5" x 1.5" MM40/40 Rockwool Cubes – Pack of 45 Option:Grodan 1.5"x 1.5"x 1.5" MM40/40 Rockwool Cube - Case of 2,250 blocks Details: After completing your purchaseAvailable in packs of 45 blocks or in cases of 2,250 blocks. The 1. 5" x 1. 5" x 1. 5" MM40 40 Rockwool Cubes are a professional hydroponic propagation medium designed for seed starting, cloning and early plant development in greenhouse and controlled environment growing systems. Manufactured from spun stone wool fibers, these cubes provide an ideal balance of moisture retention and oxygen availability, helping young plants develop strong root systems