Rockwool Grow Cubes by Grodan - MM 50/40 2" X 2" X 1.5" Small wrapped cubes for seeds and cuttings. These are sold in sheets of 24. For full case, order 60 sheets. Plastic wrapped rockwool cubes guide roots downward. You can set them on top of other rockwool cubes / slabs or use other growing media like Silica Stones for the roots to grow into.

2" X 2" X 1.5" Small wrapped cubes for seeds and cuttings.

Plastic wrapped rockwool cubes guide roots downward. You can set them on top of other rockwool cubes / slabs or use other growing media like Silica Stones for the roots to grow into.