Growing Media & Containers
Grodan Gro-Slab Improved 8" x 3" x 40" (20 x 7.6 x 102 cm) (12 / pack)
Q100438
- Formulated with an advanced wetting agent and optimized wool structure.
- Delivers consistent results for indoor and greenhouse commercial grows.
- Re-saturates quickly with uniform WC and EC distribution.
- Offers a wide control range for simple irrigation strategies.
- Provides a reliable substrate for easy irrigation and consistent cultivation.
- Developed in collaboration with Wageningen University.
- Successfully trialed by leading cultivation facilities in North America.
- Dimensions: 8 x 3 x 40 in (20 x 7.6 x 102 cm).
Grodan Improved Gro-Slab 6" x 4" x 36" (15 x 10 x 91.4 cm) (12 / case)
Q102197
- Advanced Wetting Agent ensures more uniform water distribution throughout the slab.
- Enable a multi-faceted irrigation strategy with water volume variations between 55% and 78%.
- Enhanced capillary action retains moisture more evenly across the entire slab.
- Distributes WC and EC evenly, providing optimal steering capabilities.
- Growers gain better control of plant balance throughout the crop cycle with precise WC and EC adjustments.
- Stone wool fibers do not bind nutrients and eliminate the need for flushing at the start of cultivation.
- Initial targeted water and nutrient application promotes sustainable water and fertilizer use.
- Facilitate optimal crop steering for healthy plants and higher yields.
- 6 x 4 x 36 in (15 x 10 x 91.4 cm) slab.
Grodan Improved Gro-Slab 6" x 3" x 36" (15 x 7.6 x 91.4 cm) (12 / case)
Q102198
- Advanced Wetting Agent ensures more uniform water distribution throughout the slab.
- Enable a multi-faceted irrigation strategy with water volume variations between 55% and 78%.
- Enhanced capillary action retains moisture more evenly across the entire slab.
- Distributes WC and EC evenly, providing optimal steering capabilities.
- Growers gain better control of plant balance throughout the crop cycle with precise WC and EC adjustments.
- Stone wool fibers do not bind nutrients and eliminate the need for flushing at the start of cultivation.
- Initial targeted water and nutrient application promotes sustainable water and fertilizer use.
- Facilitate optimal crop steering for healthy plants and higher yields.
- 6 x 3 x 36 in (15 x 7.6 x 91.4 cm) slab.
Grodan Improved Gro-Slab 8" x 3" x 36" (20 x 7.6 x 91.4 cm) (12 / case)
Q102199
- Advanced Wetting Agent ensures more uniform water distribution throughout the slab.
- Enable a multi-faceted irrigation strategy with water volume variations between 55% and 78%.
- Enhanced capillary action retains moisture more evenly across the entire slab.
- Distributes WC and EC evenly, providing optimal steering capabilities.
- Growers gain better control of plant balance throughout the crop cycle with precise WC and EC adjustments.
- Stone wool fibers do not bind nutrients and eliminate the need for flushing at the start of cultivation.
- Initial targeted water and nutrient application promotes sustainable water and fertilizer use.
- Facilitate optimal crop steering for healthy plants and higher yields.
- 8 x 3 x 36 in (20 x 7.6 x 91.4 cm) slab.
Grodan Improved Gro-Slab, 12 x 3 x 36 in (30.5 x 7.6 x 91.4 cm) (8 / case)
Q102201
- Advanced Wetting Agent ensures more uniform water distribution throughout the slab.
- Enable a multi-faceted irrigation strategy with water volume variations between 55% and 78%.
- Enhanced capillary action retains moisture more evenly across the entire slab.
- Distributes WC and EC evenly, providing optimal steering capabilities.
- Growers gain better control of plant balance throughout the crop cycle with precise WC and EC adjustments.
- Stone wool fibers do not bind nutrients and eliminate the need for flushing at the start of cultivation.
- Initial targeted water and nutrient application promotes sustainable water and fertilizer use.
- Facilitate optimal crop steering for healthy plants and higher yields.
- 12 x 3 x 36 in (30.5 x 7.6 x 91.4 cm) slab.
Grodan Gro-Smart Tray Insert (EA)
Q100437
- Provides a home for Grodan® Mini-Blocks™ and Gro-Blocks™.
- Features double-sided design for various Grodan media.
- Mesh side fits sheets of A-OK Mini-Blocks or Gro-Blocks.
- 78-cell side fits 1.5-inch A-OK Starter™ Plugs or round Macroplugs™.
- Fits in a standard 1020 flat and elevates media from the bottom.
- Easily sanitized, dishwasher safe hard-plastic tray.
- Exclusively designed and manufactured for Grodan.
Grodan Gro-Block Improved GR32 Hugo 6" x 6" x 6" (15.25 x 15.25 x 15.25 cm) (64 / Case)
Q100439
- Formulated with an advanced wetting agent and optimized wool structure.
- New density and hydrophilic technology improve water distribution and root development.
- Delivers consistent results for indoor and greenhouse commercial grows.
- Optimal fiber structure ensures crop uniformity and even water content (WC) and electrical conductivity (EC) distribution.
- Enables efficient and sustainable use of the entire substrate volume.
- Supports a well-defined root system for higher water and nutrient uptake.
- Dimensions: 6 x 6 x 6 in (15.25 x 15.25 x 15.25 cm).
Grodan Improved Gro-Block GR32 Hugo, 6 x 6 x 6 in (15 x 15 x 15 cm), Loose Pallet (512 / skid)
Q102205
- Formulated with an advanced wetting agent and optimized wool structure.
- Optimal fiber structure and physical properties ensure crop uniformity.
- Even WC and EC distribution.
- Greatest steering capabilities available.
- Efficient substrate volume use.
- Promotes well-defined root system with higher capacity for water and nutrient uptake.
- Consistent and outstanding results for controlled-environment indoor and greenhouse commercial grows.
- 6 x 6 x 6 in (15 x 15 x 15 cm) block.
Grodan Gro-Block Delta Big Mama 8" x 8" x 8" (20 x 20 x 20 cm) (18 / Case)
Q100440
- Big Mama is Grodan®'s largest block ever produced.
- Contains more than twice the wool of the Hugo Block.
- Large enough to support a plant for its entire life.
- Gro-Blocks are similar to plant containers.
- Available in various sizes, like a 3-inch Gro-Block for a 3-inch pot.
- Large Gro-Blocks can support full growth of small plants.
- Holes are perfectly sized for 1.5-inch starter plugs.
- Packs come with clear instructions.
- Dimensions: 8 x 8 x 8 in (20 x 20 x 20 cm).
Grodan Gro-Block Improved GR10 Large 4" x 4" x 4" (10 x 10 x 10 cm) No Wrap (144 / Case)
Q100441
- Formulated with an advanced wetting agent and optimized wool structure.
- New density and hydrophilic technology improve water distribution and root development.
- Delivers consistent results for indoor and greenhouse commercial grows.
- Optimal fiber structure ensures crop uniformity and even water content (WC) and electrical conductivity (EC) distribution.
- Enables efficient and sustainable use of the entire substrate volume.
- Supports a well-defined root system for higher water and nutrient uptake.
- Dimensions: 4 x 4 x 4 in (10 x 10 x 10 cm).
Grodan Gro-Block Improved GR10 Large 4" x 4" x 4" (10 x 10 x 10 cm) Wrapped (144 / Case)
Q100442
- Formulated with an advanced wetting agent and optimized wool structure.
- New density and hydrophilic technology improve water distribution and root development.
- Delivers consistent results for indoor and greenhouse commercial grows.
- Optimal fiber structure ensures crop uniformity and even water content (WC) and electrical conductivity (EC) distribution.
- Enables efficient and sustainable use of the entire substrate volume.
- Supports a well-defined root system for higher water and nutrient uptake.
- Dimensions: 4 x 4 x 4 in (10 x 10 x 10 cm).
Grodan Gro-Block Improved GR40 Uni-Block, 8x8x4 in (20x20x10 cm) No Hole (36 / case, 432 / pallet)
Q100449
- Features an advanced wetting agent and optimized wool structure.
- New density and hydrophilic technology enhance water distribution and root development.
- Delivers consistent results for controlled environment indoor and greenhouse commercial grows.
- Offers optimal fiber structure for crop uniformity and even water content (WC) and electrical conductivity (EC) distribution.
- Provides exceptional steering capabilities for efficient and sustainable use of substrate volume.
- Promotes a well-defined root system with higher water and nutrient uptake capacities.
- Dimensions: 8 x 8 x 4 in (20 x 20 x 10 cm).
Grodan Improved Gro-Block GR4 Small, 3 x 3 x 2.5 in (7.5 x 7.5 x 6.5 cm), No Wrap (384 / case)
Q102187
- Formulated with an advanced wetting agent and optimized wool structure.
- Optimal fiber structure and physical properties ensure crop uniformity.
- Even WC and EC distribution.
- Greatest steering capabilities available.
- Efficient substrate volume use.
- Promotes well-defined root system with higher capacity for water and nutrient uptake.
- Consistent and outstanding results for controlled-environment indoor and greenhouse commercial grows.
- 3 x 3 x 2.5 in (7.5 x 7.5 x 6.5 cm) block.
Grodan Improved GR4 Gro-Block Small 3" x 3" x 2.5" (7.5 x 7.5 x 6.5 cm) NH Wrapped (384 / case)
Q102188
"These leading-edge Grodan Improved blocks have the optimal fiber structure and physical properties for crop uniformity
Grodan Improved Gro-Block GR4 Small, 3 x 3 x 2.5 in (7.5 x 7.5 x 6.5 cm), Wrapped (384 / case)
Q102189
- Formulated with an advanced wetting agent and optimized wool structure.
- Optimal fiber structure and physical properties ensure crop uniformity.
- Even WC and EC distribution.
- Greatest steering capabilities available.
- Efficient substrate volume use.
- Promotes well-defined root system with higher capacity for water and nutrient uptake.
- Consistent and outstanding results for controlled-environment indoor and greenhouse commercial grows.
- 3 x 3 x 2.5 in (7.5 x 7.5 x 6.5 cm) block.
Grodan Improved Gro-Block GR5.6 Large, 3 x 3 x 4 in (7.5 x 7.5 x 10 cm), Wrapped (256 / case)
Q102190
- Formulated with an advanced wetting agent and optimized wool structure.
- Optimal fiber structure and physical properties ensure crop uniformity.
- Even WC and EC distribution.
- Greatest steering capabilities available.
- Efficient substrate volume use.
- Promotes well-defined root system with higher capacity for water and nutrient uptake.
- Consistent and outstanding results for controlled-environment indoor and greenhouse commercial grows.
- 3 x 3 x 4 in (7.5 x 7.5 x 10 cm) block.
Grodan Improved Gro-Block GR6.5 Small, 4 x 4 x 2.5 in (10 x 10 x 6.5 cm), No Wrap (216 / case)
Q102191
- Formulated with an advanced wetting agent and optimized wool structure.
- Optimal fiber structure and physical properties ensure crop uniformity.
- Even WC and EC distribution.
- Greatest steering capabilities available.
- Efficient substrate volume use.
- Promotes well-defined root system with higher capacity for water and nutrient uptake.
- Consistent and outstanding results for controlled-environment indoor and greenhouse commercial grows.
- 4 x 4 x 2.5 in (10 x 10 x 6.5 cm) block.
Grodan Improved Gro-Block GR6.5 Small, 4 x 4 x 2.5 in (10 x 10 x 6.5 cm), Wrapped (216 / case)
Q102192
- Formulated with an advanced wetting agent and optimized wool structure.
- Optimal fiber structure and physical properties ensure crop uniformity.
- Even WC and EC distribution.
- Greatest steering capabilities available.
- Efficient substrate volume use.
- Promotes well-defined root system with higher capacity for water and nutrient uptake.
- Consistent and outstanding results for controlled-environment indoor and greenhouse commercial grows.
- 4 x 4 x 2.5 in (10 x 10 x 6.5 cm) block.
Grodan Improved Gro-Block GR7.5 Medium, 4 x 4 x 3 in (10 x 10 x 7.5 cm), Wrapped (192 / case)
Q102193
- Formulated with an advanced wetting agent and optimized wool structure.
- Optimal fiber structure and physical properties ensure crop uniformity.
- Even WC and EC distribution.
- Greatest steering capabilities available.
- Efficient substrate volume use.
- Promotes well-defined root system with higher capacity for water and nutrient uptake.
- Consistent and outstanding results for controlled-environment indoor and greenhouse commercial grows.
- 4 x 4 x 3 in (10 x 10 x 7.5 cm) block.
Grodan® A-OK Starter Plugs™
P_00202
- Stone wool plugs for seed starting and rooting plant cuttings.
- Square plugs connected in a sheet to fit a 1020 tray.
- Crafted for convenience, efficiency and reliability.
- Uniform density, firmness, and fibrous structure.
- Enables balanced water and nutrient distribution.
- Available wrapped or unwrapped.
Grodan A-OK Starter Plugs 1.5" (36/40) Wrapped (98 / sheet, 30 / case)
Q100443
- A-OK Starter Plugs™ are designed for starting seeds and rooting cuttings.
- Plugs are 1.5 inches (36 mm) and fit into a 1020 tray.
- Crafted to streamline growing for both beginners and seasoned growers.
- Made from Grodan® stone wool, known for consistency and reliability.
- Features uniform density and fibrous structure for easy processing.
- Ensures balanced water and nutrient distribution for optimal rooting.
- Supplied in a shrink-wrapped sheet with instructions.
- Dimensions: 1.5 in (36 mm).
Grodan A-OK Starter Plugs 1.5" (36/40) No Wrap (98 / sheet, 30 / case)
Q100444
- A-OK Starter Plugs™ are designed for starting seeds and rooting cuttings.
- Plugs are 1.5 inches (36 mm) and fit into a 1020 tray.
- Crafted to streamline growing for both beginners and seasoned growers.
- Made from Grodan® stone wool, known for consistency and reliability.
- Features uniform density and fibrous structure for easy processing.
- Ensures balanced water and nutrient distribution for optimal rooting.
- Dimensions: 1.5 in (36 mm).
Grodan A-OK Starter Plugs 50/40 - 2" (5 cm) (50 / Sheet) No Wrap (30 / Case)
Q100445
- A-OK Starter Plugs™ are designed for starting seeds and rooting cuttings.
- Square 2-inch (50 mm) plugs are connected in a sheet fitting a 1020 tray.
- Grodan stone wool products provide consistency and reliability for propagation.
- A-OK Plugs offer uniform density, firmness, and fibrous structure.
- Supports both manual and mechanical processing.
- Ensures balanced water and nutrient distribution for optimal rooting.
- Ideal for both seasoned growers and beginners.
- Dimensions: 2 in (50 mm).
Grodan A-OK 1" (2.5 cm) Starter Plugs 25/40 (200 / sheet) No Wrap (30 / case)
Q102194
- Stone wool plugs for seed starting and rooting plant cuttings.
- Square plugs connected in a sheet to fit a 1020 tray.
- Crafted for convenience, efficiency and reliability.
- Uniform density, firmness, and fibrous structure.
- Enables balanced water and nutrient distribution.
- 1 inch (25 mm) plugs.
- 200 plugs per sheet.
- No wrap.
Grodan A-OK 50/40 2 in (50 mm) Starter Plugs, Wrapped (50/Sheet, 30 / case)
Q102200
- Stone wool plugs for seed starting and rooting plant cuttings.
- Square plugs connected in a sheet to fit a 1020 tray.
- Crafted for convenience, efficiency and reliability.
- Uniform density, firmness, and fibrous structure.
- Enables balanced water and nutrient distribution.
- 2 inch (50 mm) plugs.
- 50 plugs per sheet.
- Wrapped.
Note: Item Q100445 supplied without shrink wrap.