Information
Grodan offers both a 1.5" and a 2" individually-wrapped starter cube. The 1.5" cubes are sold as a 3-pack of strips of 15 each, and the 2" are sold as a 2-pack of strips of 12 each. These cubes are for starting seeds or cuttings and transplanting into the medium of your choice, or you can continue in rockwool with the large blocks with holes.