A-OK Starter Plugs and Mini-Blocks are perfect for starting seeds and cuttings prior to plugging into larger Gro-Blocks. A full sheet of A-OKs fit perfectly in a 10x20 flat. Mini-Blocks can stand alone and are individually wrapped to protect the roots from light.

Grodan A-OK 36/40 6/15 Starter Cube 1.5" x 1.5" 98 per sheet