Grodan A-OK Starter Plugs - 2 Inch (50 Plugs)

Grodan A-OK Starter Plugs - 2 Inch are stone wool starter plugs for starting seedlings and rooting stem cuttings, built for uniform propagation and dependable early root development.

These plugs are made to deliver excellent uniformity, strength and shape, creating a consistent base for uniform germination and uniform seedling results. The finely woven stone wool provides the perfect environment for young roots, helping new starts develop more evenly from plug to plug. When you want a cleaner, more predictable propagation workflow, this kind of repeatable performance matters.

A key advantage is the uniform density, firmness and fibrous structure. That consistent structure supports a balanced distribution of water and nutrients through each plug, which can benefit rooting and initial crop development without the swings that come from less uniform media. Grodan also highlights an optimum air/water ratio tied to the fiber structure, supporting root-zone oxygen while maintaining the moisture balance young plants need for fast, consistent germination and root development.

Grodan A-OK Starter Plugs are designed for smooth handling, whether you’re working by hand or scaling up. The uniformity and reliability of the plugs provide a solid basis for manual or automated processing, helping batches stay consistent and easier to manage from start to transplant. The sheet format keeps plugs organized during propagation, and the tapered bottom is designed for improved transplanting, helping the plug move forward cleanly while maintaining its shape.

If you’re building a propagation setup around hydroponic systems, these stone wool starter plugs are positioned as an ideal plug for early-stage plant starts where uniformity is the goal. They’re a good fit for growers who want predictable propagation, steady early rooting, and a stable plug that supports consistent handling through the first transplant stage.