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![Grodan Cress Plate](https://www.jonsplantfactory.com/wp-content/uploads/2019/07/cress-plate-1.jpg)
$7.74 USD
- Grodan Cress Plate . Thinnest Grodan product available. 3/8 inch thick (1 cm)
- Consistent structure results in quick and easy germination
- Uniform density allows for uniform water levels throughout the product resulting in even crop growth
- Fits perfectly into a 10/20 flat
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![Grodan Gro Smart Tray](https://www.jonsplantfactory.com/wp-content/uploads/2020/04/gro-smart-300x300.jpg)
$15.48 – $68.91 USD
Heavy duty double sided tray for starting great plants in GRODAN.
- Dimensions: 9.25”x20”x2”(23.5cmx50cmx5cm)
- Weight per tray: 1.8 lbs!
- Perfectly fits in any standard 10×20 flat
- Propagate great clones by keeping your GRODAN starters elevated away from the water at the bottom of the flat.
- 78 cells on one side; perfect for 1.5” A-Ok Plugs or Macroplugs
- Mesh side perfect for Mini-blocks or other GRODAN blocks.
- Easily sanitized in the dishwasher!
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![Grodan grow cubes](https://www.jonsplantfactory.com/wp-content/uploads/2020/04/grodan-grodan-grow-cubes-507-cu-ft-loose-300x300.jpg)
$59.63 – $94.48 USD
• Excellent water-retention
• Continual high air content
• Water and fertilizer readily available to plants
• For use in container gardens
• Normal distribution of water throughout the depth
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![Grodan Macro plugs](https://www.jonsplantfactory.com/wp-content/uploads/2018/02/Macroplugs-Individuals_0.jpg)
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![Grodan Rockwool Cubes 4 x 4 x 4 Pack of 6](https://www.jonsplantfactory.com/wp-content/uploads/2019/09/grodan-4x4x4-pack-of-6.jpg)
$9.10 USD
Otherwise known as 4″x 4″x 4″ Large hole
6 Pack is wrapped in plastic.
- Effortless start-up of propagation
- Uniform WC and EC distribution
- Easy WC management
- Excellent root growth throughout the block
- Greater firmness for better handling
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![Grodan Improved 4x4x2.5](https://www.jonsplantfactory.com/wp-content/uploads/2022/10/grodan-improved-4x4x2.5-300x300.jpg)
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![Grodan Improved 4x4x2.5](https://www.jonsplantfactory.com/wp-content/uploads/2022/10/grodan-improved-4x4x2.5-300x300.jpg)
$154.11 USD
Gro-Block Imp GR6.5 40/40 w/Hole
Otherwise known as 4″ Large hole
Case is Not individually wrapped.(Loose) 216 pc
Wetting Instructions
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![grodan improved 3 x 3 gro block](https://www.jonsplantfactory.com/wp-content/uploads/2019/09/grodan-3x3x2.5-300x300.jpg)
$5.03 USD
Otherwise known as 3″ Large hole
- Effortless start-up of propagation
- Uniform WC and EC distribution
- Easy WC management
- Excellent root growth throughout the block
- Greater firmness for better handling
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![Grodan Rockwool Cubes 4 x 4 x 2.5](https://www.jonsplantfactory.com/wp-content/uploads/2012/06/grodan-4inch-6-pack-300x300.jpg)
$5.41 USD
Otherwise known as 4″ Large hole
6 Pack is wrapped in plastic like picture
- Effortless start-up of propagation
- Uniform WC and EC distribution
- Easy WC management
- Excellent root growth throughout the block
- Greater firmness for better handling
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![Grodan Starter Mini-Blocks](https://www.jonsplantfactory.com/wp-content/uploads/2012/10/p-6495-Grodan-mini-blocks-300x300.jpg)
$0.31 – $9.68 USD
We cut pack in half to fit better into box
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![Grodan Prop Slab 98](https://www.jonsplantfactory.com/wp-content/uploads/2012/06/p-6491-a-ok-Plugs-300x300.jpg)
$14.67 USD
- Rockwool Starter Cubes
- 98 Per Slab
- No plastic cellophane wrap as seen on pic
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![Grodan Improved Rockwool Slabs](https://www.jonsplantfactory.com/wp-content/uploads/2012/06/grodan-improved-slabs-300x300.jpg)
$92.15 – $115.39 USD
Come in cases of 12 Only
Not always a stocked product
Not recommended for shipping
Shipping surcharge will apply
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![Cultilene 6 x 6 x 6 Case of 48](https://www.jonsplantfactory.com/wp-content/uploads/2012/06/cultilene-4x4x4-300x300.jpg)