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    Q102186.jpg

    Grodan® Improved MM Mini-Blocks

    P_00208
    • 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.
    Q102200.jpg

    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.
    Q102193.jpg

    Grodan® Improved Gro-Blocks™

    P_00205
    • 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.
    Q102202.jpg

    Grodan® Macroplugs™

    P_00209
    • Tailored for seed starting and rooting cuttings prior to transplanting.
    • Round plugs with a slit for easy cutting insertion.
    • Fit perfectly into Grodan Gro-Blocks.
    • Known for consistency and reliability, ensuring uniform and predictable propagation.
    • Uniform density, firmness, and fibrous structure enable manual and mechanical processing.
    • Facilitate balanced water and nutrient distribution for optimal rooting and initial crop development.
    Q102201.jpg

    Grodan® Improved Gro-Slabs™

    P_00206
    • 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.
    • Some options include pre-cut plant holes.
    Q102205.jpg

    Grodan® Improved Gro-Block™ Hugo

    P_00207
    • 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.
    Q112520.jpg

    Grodan® Expert Gro-Slabs™

    P_00203
    • Used for final stage planting with growing blocks.
    • Recommended for large, long-term crops with extensive roots like peppers, tomatoes, or cucumbers.
    • Known for its fast drainage due to vertical fibers, popular among hydroponic hobbyists.
    • Come in UV-resistant poly sleeves for ease of use.
    Q102204.jpg

    Grodan Gro-Wool Absorbent Granulate 45 lbs (20 kg) (1 each)

    Q102204
    • Ideal for both facilities and home hobby growers.
    • It supports productive indoor gardens using container systems.
    • Can be used as a stand-alone loose fill growing media.
    • Can also be mixed with Grodan Grow-Chunks.
    Q100442.jpg

    Grodan Gro-Block Improved GR10 Large, 4 x 4 x 4 in (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).
    Q100443.jpg

    Grodan A-OK 36/40 1.5 in (36 mm) Starter Plugs, Wrapped (98 / Sheet, 30 / case)

    Q100443
    • A-OK Starter Plugsâ„¢ 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).
    Q100438.jpg

    Grodan Gro-Slab Improved 8 x 3 x 40 in (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).
    Q100439.jpg

    Grodan Gro-Block Improved GR32 Hugo, 6 x 6 x 6 in (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).
    Q100446.jpg

    Grodan Macro Plugs 1.5 in (46 mm), Round w/ Slit (1,750 / case)

    Q100446
    • (No Suggestions); from Grodan® are designed for starting seeds and rooting cuttings.
    • Plugs are round, 1.5-inch (46 mm), with a slit for easy plant cutting insertion.
    • Fit perfectly into Gro-Blockâ„¢ for seamless transplanting.
    • Use with individual-cell trays like the Gro-Smart Tray Insert for best results.
    • Grodan stone wool products offer consistent, reliable propagation.
    • Uniform density and fibrous structure support manual and mechanical processing.
    • Balanced water and nutrient distribution promotes optimal rooting and early growth.
    • Dimensions: 1.5 in (46 mm).
    Q100447.jpg

    Grodan Pargro Quick Drain (QD) Biggie 6 x 6 x 6 in (15.25 x 15.25 x 15.25 cm), w/ Hole

    Q100447
    • Pargro® offers access to Grodan®'s stone wool growing media without compromising quality and consistency.
    • Ideal for indoor growers using low to medium technology levels.
    • Suitable for those switching from soil, coco, or peat.
    • Increases crop cycles per year, saving time and money.
    • A great option for transforming your growing experience with stone wool.
    • Dimensions: 6 x 6 x 6 in (15.25 x 15.25 x 15.25 cm).
    Q100436.jpg

    Grodan Gro-Slab Improved 6 x 3 x 40 in (15.25 x 7.6 x 102 cm) (12 / pack)

    Q100436
    • 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: 6 x 3 x 40 in (15.25 x 7.6 x 102 cm).
    Q100437.jpg

    Grodan Gro-Smart Tray Insert (EA)

    Q100437
    • Provides a home for Grodan® Mini-Blocksâ„¢ and Gro-Blocksâ„¢.
    • 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 Starterâ„¢ Plugs or round Macroplugsâ„¢.
    • 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.
    Q100440.jpg

    Grodan Gro-Block Delta Big Mama, 8 x 8 x 8 in (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).
    Q100441.jpg

    Grodan Gro-Block Improved GR10 Large, 4 x 4 x 4 in (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).
    Picture of Grodan Gro-Block Improved GR40 Uni-Block, 8 x 8 x 4 in (20 x 20 x 10 cm) No Hole (36 / Case)

    Grodan Gro-Block Improved GR40 Uni-Block, 8 x 8 x 4 in (20 x 20 x 10 cm) No Hole (36 / Case)

    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).
    Picture of Grodan Cress Plate, 0.25 x 10 x 20 in (0.64 x 25 x 51 cm) Sheet (95 / Case)

    Grodan Cress Plate, 0.25 x 10 x 20 in (0.64 x 25 x 51 cm) Sheet (95 / Case)

    Q100448
    • Cress Plates from Grodan® are ideal for growing microgreens.
    • Quarter-inch thick, 10- by 20-inch stone wool mats.
    • Designed to fit seamlessly in a 1020 tray.
    • Provides an ideal environment for microgreen cultivation.
    • 95 sheets per case for convenience and efficiency.
    • Suitable for both professional chefs and home gardeners.
    • Dimensions: 0.25 x 10 x 20 in (0.64 x 25 x 51 cm).
    Q100444.jpg

    Grodan A-OK 36/40 1.5 in (36 mm) Starter Plugs, No Wrap (98 / Sheet, 30 / case)

    Q100444
    • A-OK Starter Plugsâ„¢ 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).
    Q100445.jpg

    Grodan A-OK 50/40 2 in (50 mm) Starter Plugs, No Wrap (50 / Sheet, 30 / case)

    Q100445
    • A-OK Starter Plugsâ„¢ 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).
    Q102184.jpg

    Grodan Improved Mini-Block MM 40/40, 1.5 x 1.5 x 1.5 in (4 x 4 x 4 cm), No Wrap (2,250 / case)

    Q102184
    • 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.
    • 1.5 x 1.5 x 1.5 in (4 x 4 x 4 cm) mini block.
    Q102199.jpg

    Grodan Improved Gro-Slab, 8 x 3 x 36 in (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.
    Q102200.jpg

    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.

    Q102201.jpg

    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.
    Q102202.jpg

    Grodan Macroplugs 1.5 in (46 mm), Round w/ Slit, Bulk (2,000 / case)

    Q102202
    • Tailored for seed starting and rooting cuttings prior to transplanting.
    • Round plugs with a slit for easy cutting insertion.
    • Fit perfectly into Grodan Gro-Blocks.
    • Known for consistency and reliability, ensuring uniform and predictable propagation.
    • Uniform density, firmness, and fibrous structure enable manual and mechanical processing.
    • Facilitate balanced water and nutrient distribution for optimal rooting and initial crop development.
    • 1.5 in (46 mm) plugs.
    Q102197.jpg

    Grodan Improved Gro-Slab, 6 x 4 x 36 in (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.
    Q102193.jpg

    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.
    Q102194.jpg

    Grodan A-OK 25/40 1 in (25 mm) Starter Plugs, No Wrap (200 / sheet, 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.
    Q102189.jpg

    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.
    Q102190.jpg

    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.
    Q102191-02.jpg

    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.
    Q102192.jpg

    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.
    Q102185.jpg

    Grodan Improved Mini-Block MM 40/40, 1.5 x 1.5 x 1.5 in (4 x 4 x 4 cm), Wrapped (2,250 / case)

    Q102185
    • 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.
    • 1.5 x 1.5 x 1.5 in (4 x 4 x 4 cm) mini block.
    Q102195.jpg

    Grodan Gro-Block Improved Big Mama, 8 x 8 x 8 in (20 x 20 x 20 cm), No Hole (18 / case)

    Q102195
    • Formulated with an advanced wetting agent and optimized wool structure.
    • Grodan's largest Gro-Block.
    • 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.
    • 8 inch (20 cm) block.
    Q102187.jpg

    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.
    Q102205.jpg

    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.
    Q102203.jpg

    Grodan Gro-Block Improved GR10 Large, 4 x 4 x 4 in (10 x 10 x 10 cm), Loose Pallet (1,548 / skid)

    Q102203
    • 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 4 (10 x 10 x 10 cm) block.
    Q102208.jpg

    Grodan Grow-Chunks, 3/4 inch (2 cu ft bag) (3 bags / case)

    Q102208
    • Grodan® Grow-Chunks are a larger-size 3/4 inch alternative to Grodan 1/2 inch Grow-Cubes.
    • Designed to offer increased moisture and nutrient retention.
    Q102209.jpg

    Grodan Improved Gro-Block GR22.5 Jumbo, 6 x 6 x 4 in (15 x 15 x 10 cm), With Hole (64 / case)

    Q102209
    • 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 4 in (15 x 15 x 10 cm) block.
    Q112520.jpg

    Grodan Gro-Slab Expert, 8 x 3 x 36 in (20 x 7.5 x 90 cm) (12 / case)

    Q112520
    • Used for final stage planting with growing blocks.
    • Recommended for large, long-term crops with extensive roots like peppers, tomatoes, or cucumbers.
    • Known for its fast drainage due to vertical fibers, popular among hydroponic hobbyists.
    • Features a special wet/dry design with a thicker top layer that stays wetter and a bottom layer that remains drier, ensuring even moisture distribution.
    • Come in UV-resistant poly sleeves for ease of use.
    • 8 x 3 x 36 in (20 x 7.5 x 90 cm) slab.
    Q112735.jpg

    Grodan A-OK Improved 1.5 in (36 mm) Starter Plugs, Loose in Carton (2,310 plugs)

    Q112735

    Grodan® A-OK Improved Starter Plugs™ for starting seeds and rooting of cuttings prior to plugging into the larger Gro-Blocks™. The plugs come loose in a carton for those who prefer to saturate individually.

    • Easy to use with propagation trays.
    • Shipped as individual loose AO plugs (1.4x1.4x1.6) bulk in the carton (2,310).
    • No shrink-wrap.
    Q112764.jpg

    Grodan Gro-Block Improved GR6.5 Small, 4 x 4 x 2.5 in (10 x 10 x 6.5 cm) w/ Hole, Loose on Pallet

    Q112764
    • 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.
    • Loose on pallet.
    Q112763.jpg

    Grodan Improved Gro-Slab, 12 x 3 x 36 in (30.5 x 7.6 x 91.4 cm) w/ Three 6 in Pre-Cut Squares (Bag)

    Q112763
    • 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.
    • Features three 6 inch (15 cm) pre-cut squares.
    Q112761.jpg

    Grodan Improved Gro-Slab, 6 x 3 x 36 in (15 x 7.6 x 91.4 cm) w/ Three 4 in Pre-Cut Squares (Bag)

    Q112761
    • 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.
    • Features three 4 inch (10 cm) pre-cut squares.
    Q112762.jpg

    Grodan Improved Gro-Slab, 8 x 3 x 36 in (20 x 7.6 x 91.4 cm) w/ Three 4 in Pre-Cut Squares (Bag)

    Q112762
    • 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.
    • Features three 4 inch (10 cm) pre-cut squares.
    Q112760.jpg

    Grodan Improved Gro-Slab, 6 x 4 x 36 in (15 x 10 x 91.4 cm) w/ Three 4 in Pre-Cut Squares (Bag)

    Q112760
    • 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.
    • Features three 4 inch (10 cm) pre-cut squares.
    Q112765.jpg

    Grodan Gro-Block Improved GR22.5 Jumbo, 6 x 6 x 4 in (15 x 15 x 10 cm) w/ Hole, Loose on Pallet

    Q112765
    • 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 4 in (15 x 15 x 10 cm) block.
    • Loose on pallet.
    Q112790.jpg

    Grodan Gro-Block Improved GR7.5 Medium, 4 x 4 x 3 in (10 x 10 x 7.5 cm) w/ Hole, Unwrapped in Carton

    Q112790
    • 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.
    • Unwrapped strips in carton.
    Q112792.jpg

    Grodan Pargro PAR10 Large, 4 x 4 x 4 in (10 x 10 x 10 cm) w/ Hole, Loose Blocks on Pallet

    Q112792
    • Pargro® offers Grodan®'s industry-leading stone wool growing media.
    • Ideal for indoor growers using low to medium levels of technology.
    • Designed for those transitioning from soil, coco, or peat.
    • Increases crop cycles per year, saving time and money.
    • A perfect solution for transforming your growing experience.
    • 4 x 4 x 4 in (10 x 10 x 10 cm) block.
    Q112791.jpg

    Grodan Pargro PAR6.5 Small, 4 x 4 x 2.6 (10 x 10 x 6.6 cm) w/ Hole, Unwrapped Strips in Carton

    Q112791
    • Pargro® offers Grodan®'s industry-leading stone wool growing media.
    • Ideal for indoor growers using low to medium levels of technology.
    • Designed for those transitioning from soil, coco, or peat.
    • Increases crop cycles per year, saving time and money.
    • A perfect solution for transforming your growing experience.
    • 4 x 4 x 2.6 (10 x 10 x 6.6 cm) block.
    Q112794.jpg

    Grodan Pargro PAR22.5 Jumbo, 6 x 6 x 4 in (15 x 15 x 10 cm) w/ Hole, Loose Blocks in Carton

    Q112794
    • Pargro® offers Grodan®'s industry-leading stone wool growing media.
    • Ideal for indoor growers using low to medium levels of technology.
    • Designed for those transitioning from soil, coco, or peat.
    • Increases crop cycles per year, saving time and money.
    • A perfect solution for transforming your growing experience.
    • 6 x 6 x 4 in (15 x 15 x 10 cm) block.
    Q112793.jpg

    Grodan Pargro PAR10 Large, 4 x 4 x 4 in (10 x 10 x 10 cm) w/ Hole, Unwrapped Strips in Carton

    Q112793
    • Pargro® offers Grodan®'s industry-leading stone wool growing media.
    • Ideal for indoor growers using low to medium levels of technology.
    • Designed for those transitioning from soil, coco, or peat.
    • Increases crop cycles per year, saving time and money.
    • A perfect solution for transforming your growing experience.
    • 4 x 4 x 4 in (10 x 10 x 10 cm) block.
    Q112796.jpg

    Grodan Pargro PAR32 Biggie, 6 x 6 x 6 in (15 x 15 x 15 cm) w/ Hole, Loose Blocks in Carton

    Q112796
    • Pargro® offers Grodan®'s industry-leading stone wool growing media.
    • Ideal for indoor growers using low to medium levels of technology.
    • Designed for those transitioning from soil, coco, or peat.
    • Increases crop cycles per year, saving time and money.
    • A perfect solution for transforming your growing experience.
    • 6 x 6 x 6 in (15 x 15 x 15 cm) block.
    Q112795.jpg

    Grodan Pargro PAR22.5 Jumbo, 6 x 6 x 4 in (15 x 15 x 10 cm) w/ Hole, Loose Blocks on Pallet

    Q112795
    • Pargro® offers Grodan®'s industry-leading stone wool growing media.
    • Ideal for indoor growers using low to medium levels of technology.
    • Designed for those transitioning from soil, coco, or peat.
    • Increases crop cycles per year, saving time and money.
    • A perfect solution for transforming your growing experience.
    • 6 x 6 x 4 in (15 x 15 x 10 cm) block.
    Q112798.jpg

    Grodan 1.5 in Pargro Plugs, 1.4 x 1.4 x 1.6 in (3.5 x 3.5 x 4 cm), Unwrapped Sheets in Carton

    Q112798
    • Grodan® 1.5 inch Pargro® rockwool plugs.
    • Dimensions: 1.4 x 1.4 x 1.6 in (3.5 x 3.5 x 4 cm).
    • Unwrapped sheets in carton.
    Q112797.jpg

    Grodan Pargro PAR32 Biggie, 6 x 6 x 6 in (15 x 15 x 15 cm) w/ Hole, Loose Blocks on Pallet

    Q112797
    • Pargro® offers Grodan®'s industry-leading stone wool growing media.
    • Ideal for indoor growers using low to medium levels of technology.
    • Designed for those transitioning from soil, coco, or peat.
    • Increases crop cycles per year, saving time and money.
    • A perfect solution for transforming your growing experience.
    • 6 x 6 x 6 in (15 x 15 x 15 cm) block.
    Q112804.jpg

    Grodan Pargro Slab, 36 x 8 x 3 in (91.4 x 20 x 7.6 cm) w/ Three 4 in Pre-Cut Squares (Bag)

    Q112804
    • Pargro® offers Grodan®'s industry-leading stone wool growing media.
    • Ideal for indoor growers using low to medium levels of technology.
    • Designed for those transitioning from soil, coco, or peat.
    • Increases crop cycles per year, saving time and money.
    • A perfect solution for transforming your growing experience.
    • 36 x 8 x 3 in (91.4 x 20 x 7.6 cm) slab.
    • Features three 4 inch (10 cm) pre-cut squares.
    Q112803.jpg

    Grodan Pargro Slab, 36 x 8 x 3 in (91.4 x 20 x 7.6 cm) (Bag)

    Q112803
    • Pargro® offers Grodan®'s industry-leading stone wool growing media.
    • Ideal for indoor growers using low to medium levels of technology.
    • Designed for those transitioning from soil, coco, or peat.
    • Increases crop cycles per year, saving time and money.
    • A perfect solution for transforming your growing experience.
    • 36 x 8 x 3 in (91.4 x 20 x 7.6 cm) slab.
    Q112802.jpg

    Grodan Pargro Slab, 36 x 6 x 3 in (91.4 x 15 x 7.6 cm) w/ Three 4 in Pre-Cut Squares (Bag)

    Q112802
    • Pargro® offers Grodan®'s industry-leading stone wool growing media.
    • Ideal for indoor growers using low to medium levels of technology.
    • Designed for those transitioning from soil, coco, or peat.
    • Increases crop cycles per year, saving time and money.
    • A perfect solution for transforming your growing experience.
    • 36 x 6 x 3 in (91.4 x 15 x 7.6 cm) slab.
    • Features three 4 inch (10 cm) pre-cut squares.
    Q112801.jpg

    Grodan Pargro Slab, 36 x 6 x 3 in (91.4 x 15 x 7.6 cm) (Bag)

    Q112801
    • Pargro® offers Grodan®'s industry-leading stone wool growing media.
    • Ideal for indoor growers using low to medium levels of technology.
    • Designed for those transitioning from soil, coco, or peat.
    • Increases crop cycles per year, saving time and money.
    • A perfect solution for transforming your growing experience.
    • 36 x 6 x 3 in (91.4 x 15 x 7.6 cm) slab.
    Q112800.jpg

    Grodan Pargro Slab, 36 x 6 x 4 in (91.4 x 15 x 10 cm) w/ Three 4 in Pre-Cut Squares (Bag)

    Q112800
    • Pargro® offers Grodan®'s industry-leading stone wool growing media.
    • Ideal for indoor growers using low to medium levels of technology.
    • Designed for those transitioning from soil, coco, or peat.
    • Increases crop cycles per year, saving time and money.
    • A perfect solution for transforming your growing experience.
    • 36 x 6 x 4 in (91.4 x 15 x 10 cm) slab.
    • Features three 4 inch (10 cm) pre-cut squares.
    Q112799.jpg

    Grodan Pargro Slab, 36 x 6 x 4 in (91.4 x 15 x 10 cm) (Bag)

    Q112799
    • Pargro® offers Grodan®'s industry-leading stone wool growing media.
    • Ideal for indoor growers using low to medium levels of technology.
    • Designed for those transitioning from soil, coco, or peat.
    • Increases crop cycles per year, saving time and money.
    • A perfect solution for transforming your growing experience.
    • 36 x 6 x 4 in (91.4 x 15 x 10 cm) slab.
    Q102198.jpg

    Grodan Improved Gro-Slab, 6 x 3 x 36 in (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.
    Q112734.jpg

    Grodan Pre-Cut, Pre-Filled Tray, A-OK 1.5 in Starter Plugs, No Wrap (50 plugs/tray, 30 trays/case)

    Q112734

    The Grodan® tray comes prefilled with A-OK Starter Plugs™ for fast and easy propagation from seeds or cuttings prior to transplanting to Gro-Blocks™.

    • Fits perfectly in most standard 1020 trays.
    • Designed with a unique and convenient thumb slot to make removal easy and comfortable.
    • Pre-cut and pre-filled into an insert of 50 1.5-inch AO plugs (1.4 x 1.4 x 1.9 inches).
    • 30 inserts per carton (total of 1,500 plugs).