Growing Media & Containers

• 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).

• 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.

• 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.

• 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.

• 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.

• 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.

• 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).

• 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.

• 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).

• 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).

• 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).

• 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).

• 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.

• 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.

• 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.

• 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.

• 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.

• 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.

• 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).

• 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).

• 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).

• 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.

• 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.

• Macroplugs™ 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-Block™ 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).

• Macroplugs™ 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-Block™ 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).