Grodan
Featured products
Grodan® Pargro® Blocks
P_00702
- 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.
Grodan® Pargro® Plugs
P_00703
- 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.
Grodan® Pargro® Slabs
P_00701
- 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.
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.
Grodan® Macroplugs™
P_00209
- 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).
Grodan Macroplugs 1.5 in (46 mm) Round w/ Slit (50 / bag, 35 bags / case)
Q100446
- 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).
Grodan Macroplugs 1.5 in (46 mm), Round w/ Slit, Bulk (2,000 / case)
Q102202
- 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).
Grodan Cress Plate 0.25" x 10" x 20" (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).
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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).
- No wrap.
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.
Grodan Improved Gro-Slab, 6x3x36 in w/Three 4 in Pre-Cut Squares, Bag (12/Bundle, 10 Bales/Pallet)
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.
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.
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.