Grodan 1.5" AO Plugs w/Hole (1.4x1.4x1.6) - Loose — Single Unit

The Grodan® A-OK Starter Plugs™ provide a stonewool substrate for seed germination and cutting propagation. Square plugs form a sheet that fits standard 10 by 20 trays, with tapered bottoms that support transplanting and promote uniform root development. Balanced air and water levels support healthy early growth. Designed for consistency, they integrate easily into propagation systems.