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 this easy-to-use digital pH meter

this easy-to-use digital pH meter delivers fast

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

With a specialized fine-cell structure and unique chemistry

and are equipped with hot surface ignition

Available in single & multi-seed options

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 this easy-to-use digital pH meterAvailable 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