Grodan A-OK Starter Plugs 1.5" 36/40 - 98/Sheet (2940/Case)
The Grodan A-OK Starter Plugs 1.5" 36/40 - 98/Sheet (2940/Case) are professional stone wool propagation plugs designed for seed germination, rooting cuttings, and young plant production. Their uniform density and fibre structure help provide consistent moisture, aeration, and nutrient distribution during early root development.
Each A-OK 36/40 plug measures approximately 1.4 × 1.4 × 1.6 in (36 × 36 × 40 mm). The plugs are connected at the top to form convenient sheets that fit standard propagation trays. Each sheet contains 98 plugs, with 30 sheets per case for a total of 2,940 plugs.
What Are Grodan A-OK Starter Plugs Used For?
Grodan A-OK plugs are designed for:
- Seed germination
- Rooting cuttings
- Cloning and propagation
- Young plant production
- Hydroponic growing systems
- Commercial greenhouse and nursery production
Once roots are established, the plugs can be transplanted into larger Grodan blocks or other compatible growing systems.
Key Benefits
- Professional stone wool propagation plugs.
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98 plugs per sheet.
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30 sheets per case.
-
2,940 plugs per case.
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Dimensions of 36 × 36 × 40 mm.
- Uniform density and fibre structure.
- Consistent distribution of water, nutrients, and pH.
- Tapered bottom helps simplify transplanting.
- Firm structure supports manual or mechanical handling.
- Suitable for seeds and cuttings.
- Compatible with larger Grodan growing blocks.
Why Choose Grodan A-OK 36/40 Plugs?
The A-OK 36/40 provides a compact and uniform root zone during propagation. Its stone wool structure helps maintain consistent moisture while preserving the air space needed for developing roots.
Because the plugs remain connected in sheets, they are easy to irrigate, move, organize, and handle during large propagation runs.
Designed for Easy Transplanting
Grodan A-OK plugs feature a tapered bottom designed to simplify transplanting.
Once the plant has developed a healthy root system, the individual plug can be separated from the sheet and transferred into a larger stone wool block or another growing medium.
Ideal Applications
The Grodan A-OK Starter Plugs 36/40 are ideal for:
- Seedlings
- Cuttings
- Clones
- Hydroponic propagation
- Indoor horticulture
- Commercial greenhouses
- Nurseries
- Controlled-environment agriculture
- High-volume propagation
Product Specifications
| Specification |
Details |
| Brand |
Grodan |
| Product |
A-OK Starter Plug 36/40 |
| Product Type |
Stone wool propagation plug |
| Commercial Size |
1.5" |
| Technical Dimensions |
36 × 36 × 40 mm |
| Approx. Imperial Size |
1.4 × 1.4 × 1.6 in |
| Growing Media |
Stone wool |
| Plugs per Sheet |
98 |
| Sheets per Case |
30 |
| Total Plugs per Case |
2,940 |
| Bottom Design |
Tapered |
| Primary Use |
Seeds, cuttings and propagation |
How Do You Use Grodan A-OK Starter Plugs?
Hydrate the plugs according to your propagation and nutrient program before planting.
Place the seed or cutting into the plug and maintain suitable moisture, temperature, humidity, EC, and pH during propagation.
Once the root system is established, separate the plug from the sheet and transplant it into a compatible growing block or production system.
Can Grodan A-OK Plugs Be Used for Seeds?
Yes. A-OK plugs are well suited to seed germination and early seedling development because their uniform stone wool structure helps maintain consistent conditions across the sheet.
Can They Be Used for Cuttings?
Yes. They can also be used for rooting cuttings and propagation, providing a stable balance of moisture and aeration around developing roots.
Can A-OK Plugs Be Transplanted Into Grodan Blocks?
Yes. Once roots are established, individual plugs can be transplanted into compatible Grodan growing blocks for continued development.
Frequently Asked Questions
How many plugs are included in one sheet?
Each sheet contains 98 A-OK starter plugs.
How many sheets are included in one case?
Each case contains 30 sheets.
How many plugs are included in one case?
A full case contains 2,940 plugs.
What are the dimensions of each plug?
Each plug measures 36 × 36 × 40 mm, approximately 1.4 × 1.4 × 1.6 in.
What are Grodan A-OK plugs used for?
They are designed for seed germination, rooting cuttings, cloning, and young plant propagation.
Can the plugs be transplanted into larger Grodan blocks?
Yes. Their tapered design makes transplanting into compatible growing blocks straightforward.
Order Confirmation
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