Large-Format Stonewool Starter Plugs for Commercial Propagation
Grodan® Pro A-OK 50/40 Starter Plugs are precision-formed 2"x2" stonewool plugs engineered for commercial propagation of larger cuttings and seedlings. The 50/40 format (50mm x 40mm) provides greater root zone volume than standard 1.5" plugs, supporting faster establishment and stronger transplants at scale.
Key Features
- 2" x 2" (50mm x 40mm) Pro A-OK stonewool starter plugs
- Case of 1,500 plugs — high-volume commercial format
- Greater root zone volume for larger cuttings and seedlings
- Uniform plug density and moisture retention for consistent germination and rooting
- Optimal air-to-water ratio supports rapid root development
- Advanced Wetting Agent (AWA) for fast, uniform saturation
- Seamlessly transplants into Grodan Gro-Blocks and slabs
What’s Included
Case of 1,500 Grodan Pro A-OK 50/40 2"x2" starter plugs. Intended for commercial propagation use.
Grodan Pro A-OK 50/40 – 2"x2" Starter Plugs | Case of 1,500
Grodan Pro A-OK 50/40 – 2"x2" Starter Plugs | Case of 1,500
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