Rockwool Grow Cubes by Grodan - MM 50/40
2" X 2" X 1.5" Wrapped Sheet of 24
Small 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.
— Ships from Portland, Oregon USA.