Grodan A-OK Starter Plugs, 1.5 in, 98 Plug, 1-Pack
A-OK Starter Plugs™ for starting seeds and rooting of cuttings prior to plugging into the larger Gro-Blocks. A-OK Starter Plugs™ come labeled with instructions in a shrink-wrapped sheet that fits a standard 10 x 20 tray (flat).