Agra Wool Cube 20X20X20 by Agra-Wool is a rock wool cube ideal for seed germination. Made from volcanic rock fibers, it promotes healthy root growth without resistance. It requires no nutrients in the first weeks.

Agra Wool Rock Wool Cube 15X15X15 Hole 38/35 by Agra-Wool is an ideal rock wool cube for seed germination.