The AO25/40, AX25/40, and AO36/40 rockwool cubes for sale are designed for seed and cutting propagation. The individually shaped individual "cells" within the pad allow for effective air pruning which encourages rooting within, rather than between individual blocks. Each of these Rockwell grow cubes comes in a 10x19.5 inch sheet or "pad" and fits into a standard 10x20 inch flat.
Proven to be as one of the best and most reliable growing medium available.
Completely sterile rockwool provides an optimum air/water ratio for the roots, insuring an abundant supply of oxygen to the roots.
Used among commercial vegetable and floral producers throughout the world.
Available in propagation cubes, propagation blocks, and growing slabs.