Precision Propagation Starts Here
Grodan® Macroplugs™ are loose, round stonewool plugs engineered for seamless cloning and propagation in hydroponic systems. Designed to fit perfectly into Grodan® Gro-Block holes, each plug delivers the ideal balance of water retention and aeration to drive rapid, uniform root development.
Key Features
- 1.5" x 1.57" round plug — fits standard Grodan Gro-Block holes
- Pre-slit for easy clone insertion (no-slit available by special order)
- Spun molten rock construction for consistent moisture distribution
- Maintains optimal oxygen levels at the root zone
- Supports vigorous, uniform root structure development
- Ideal for cuttings, seedlings, and hydroponic propagation
What’s Included
40 bags of 50 plugs each — 2,000 plugs total. Bagged for easy handling and storage.
Grodan Macro Plugs – 1.5" Round Stonewool Plugs | 40 Packs of 50
Grodan Macro Plugs – 1.5" Round Stonewool Plugs | 40 Packs of 50
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What Makes Us Different
At the leading edge of the market, Custom Hydro stands out by providing the growing industry with fertilizers that are not only of premium quality but also feature innovative
solutions tailored for the unique needs of hydroponic and organic farming practices.
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Premium Quality
The Mark of Trusted Quality.
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Highest Purity
Never Compromise on the Quality of Inputs.
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Crop Specific
Customized Fertilizer for your Favorite Crops.
