Grodan A-OK Starter plugs (Unwrapped) 1.5 inch Clone Light circular prong pattern for secure

circular prong pattern for secure electrical contact

Straight “Trunk” lines

Available Phosphate (P2O5)1

Grodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and irrigation strategies for specialty crops

Made from durable 3 mil thick plastic

Grodan A-OK Starter plugs (Unwrapped) 1.5 inch Clone Light circular prong pattern for secureGrodan A OK Starter Plugs & Mini Blocks 36 40 6 15 1. 5in x 1. 5in 30 Sheets of 98 Cubes 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.