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    Q102205.jpg

    Grodan Improved Hugo

    P_00207
    New Grodan Improved! Improved product at current pricing. New density + new hydrophilic technology = better water distribution and root development. The uniform distribution of water and nutrients throughout the block allows for more efficient use of the entire substrate volumeFull saturation of the blocks with no dry spots and improved EC control with less water is achieved in the rootzone due to the uniform optimized wool resulting in a sustainable water and nutrient use. Improved “re-wettab
    Q102193.jpg

    Grodan Improved Block

    P_00205
    New Grodan Improved! Improved product at current pricing. New density + new hydrophilic technology = better water distribution and root development. The uniform distribution of water and nutrients throughout the block allows for more efficient use of the entire substrate volumeFull saturation of the blocks with no dry spots and improved EC control with less water is achieved in the rootzone due to the uniform optimized wool resulting in a sustainable water and nutrient use. Improved “re-wettab
    Q102202.jpg

    Grodan Macroplug

    P_00209
    MacroPlugs™ are 1.5 in round with a slit that allows easy insertion of a cutting. These loose round plugs fit perfectly into the Gro-Block™ hole. For best results always insert MacroPlugs™ in a tray with individual cells. The individual cell will make sure the plug stays closed around the stem of your cutting.
    Q102186.jpg

    Grodan Improved Mm

    P_00208
    New Grodan Improved! Improved product at current pricing. New density + new hydrophilic technology = better water distribution and root development. The uniform distribution of water and nutrients throughout the block allows for more efficient use of the entire substrate volumeFull saturation of the blocks with no dry spots and improved EC control with less water is achieved in the rootzone due to the uniform optimized wool resulting in a sustainable water and nutrient use. Improved “re-wettab
    Q112520.jpg

    Grodan Gro-Slab Expert

    P_00203
    Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different types of fibers. The purpose is to support the requirement of the plant in the different plant stages. Grodan has a tremendous capacity for absorbing nutrient solution while retaining plenty of oxygen for rapid plant growth. Grodan comes in gr
    Q102200.jpg

    Grodan A-Ok

    P_00202
    A-OK Starter Plugs™ for starting seeds and rooting of cuttings prior to plugging into the larger Gro-Blocks. A-OK Starter Plugs™ come labeled with instructions in a shrink-wrapped sheet that fits a standard 10 x 20 tray (flat). Note: Item #713020 is supplied without shrink wrap.
    Q102201.jpg

    Grodan Improved Gro-Slab

    P_00206
    Single crop slabVertical fiber orientationInert hydrophilic fibre technologyEasy root penetration for vigorous uniform crop growthExcellent irrigation efficiencyUniform WC distributionHigh re-satuartion capacitySustainable water and nutrient useGrodan Uni-Slab™ Single Plant Slab can support large plants throughout their lifecycle, allowing greenhouse and indoor growers to realize excellent productio
    Q100436.jpg

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

    Q100436
    Single crop slabVertical fiber orientationInert hydrophilic fibre technologyEasy root penetration for vigorous uniform crop growthExcellent irrigation efficiencyUniform WC distributionHigh re-satuartion capacitySustainable water and nutrient useGrodan Uni-Slab™ Single Plant Slab can support large plants throughout their lifecycle, allowing greenhouse and indoor growers to realize excellent productio
    Q100438.jpg

    Grodan Gro-Slab Improved 8" x 3" x 40" (20 x 7.6 x 102 cm) (12 / pack)

    Q100438
    Gro-Slabs™ provide the final stage for growing a spectacularly large plant. Transplant your Gro-Block™ plant onto a slab just like professional growers. They come in clearly marked biodegradable UV-resistant sleeves for comfortable handling and algae prevention. With the Uni-Slab all plant roots are protected and contained for the life of the plant. Due to its size the Uni-Slab is perfect for one large plant. Uni-Slab has the benefits of a slab with the versatility of a block. All Gro-Slabs ha
    Q100439.jpg

    Grodan Gro-Block Improved GR32 Hugo 6" x 6" x 6" (15.25 x 15.25 x 15.25 cm) (64 / Case)

    Q100439
    New Grodan Improved! Improved product at current pricing. New density + new hydrophilic technology = better water distribution and root development. The uniform distribution of water and nutrients throughout the block allows for more efficient use of the entire substrate volumeFull saturation of the blocks with no dry spots and improved EC control with less water is achieved in the rootzone due to the uniform optimized wool resulting in a sustainable water and nutrient use. Improved “re-wettab
    Q100442.jpg

    Grodan Gro-Block Improved GR10 Large 4" x 4" x 4" (10 x 10 x 10 cm) Wrapped (144 / Case)

    Q100442
    New Grodan Improved! Improved product at current pricing. New density + new hydrophilic technology = better water distribution and root development. The uniform distribution of water and nutrients throughout the block allows for more efficient use of the entire substrate volumeFull saturation of the blocks with no dry spots and improved EC control with less water is achieved in the rootzone due to the uniform optimized wool resulting in a sustainable water and nutrient use. Improved “re-wettab
    Q100443.jpg

    Grodan A-OK Starter Plugs 1.5" (36/40) Wrapped (98 / sheet, 30 / case)

    Q100443
    A-OK Starter Plugs™ for starting seeds and rooting of cuttings prior to plugging into the larger Gro-Blocks. A-OK Starter Plugs™ come labeled with instructions in a shrink-wrapped sheet that fits a standard 10 x 20 tray (flat). Note: Item #713020 is supplied without shrink wrap.
    Q100440.jpg

    Grodan Gro-Block Delta Big Mama 8" x 8" x 8" (20 x 20 x 20 cm) (18 / Case)

    Q100440
    Gro-Blocks™ are similar to a plant container. Need a 3 in pot? Then choose a 3 in Gro-Block™. Small plants can be fully grown in our larger Gro-Blocks™. Holes are perfect size for any 1.5 in starter plug. Come in packs labeled with instructions. Big Mama is Grodan's largest block ever produced! Big enough to grow a large plant for its entire life. More than twice the amount of wool as our Hugo Block.
    Q100441.jpg

    Grodan Gro-Block Improved GR10 Large 4" x 4" x 4" (10 x 10 x 10 cm) No Wrap (144 / Case)

    Q100441
    New Grodan Improved! Improved product at current pricing. New density + new hydrophilic technology = better water distribution and root development. The uniform distribution of water and nutrients throughout the block allows for more efficient use of the entire substrate volumeFull saturation of the blocks with no dry spots and improved EC control with less water is achieved in the rootzone due to the uniform optimized wool resulting in a sustainable water and nutrient use. Improved “re-wettab
    Q100445.jpg

    Grodan A-OK Starter Plugs 50/40 - 2" (5 cm) (50 / Sheet) No Wrap (30 / Case)

    Q100445
    A-OK Starter Plugs™ for starting seeds and rooting of cuttings prior to plugging into the larger Gro-Blocks. A-OK Starter Plugs™ come labeled with instructions in a shrink-wrapped sheet that fits a standard 10 x 20 tray (flat). Note: Item #713020 is supplied without shrink wrap.
    Q100447.jpg

    Grodan Pargro Quick Drain (QD) Biggie 6" x 6" x 6" (15.25 x 15.25 x 15.25 cm) with Hole

    Q100447
    Same quality same value-priced half-sized cases. Driest value-priced rockwool on the market. Made at the Grodan® factories. Plain brown half-case sizes. Better quality and drainage than other value-priced rockwool.
    Q112735.jpg

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

    Q112735

    Grodan® A-OK 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.
    Q112734.jpg

    Grodan A-OK Starter Plugs in Prefilled Tray (50 plugs / tray), Pre-Cut, No Wrap (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 10/20 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"" AO plugs (1.4""x1.4""x1.9"").
    • 30 inserts per carton (total of 1,500 plugs).
    Q102203.jpg

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

    Q102203
    "These leading-edge Grodan Improved blocks have the optimal fiber structure and physical properties for crop uniformity
    Q102194.jpg

    Grodan A-OK 1" (2.5 cm) Starter Plugs 25/40 (200 / sheet) No Wrap (30 / case)

    Q102194
    "Grodan A-OK 25/40 - 1 inch Starter PlugsThese square size plugs are connected to each other at the top of the plug forming a sheet fitting a 10/20 tray.Grodan plugs are meticulously designed to streamline the growing process
    Q102195.jpg

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

    Q102195
    The Grodan Improved Big Mama is the largest block available. With more than twice the volume of a Hugo block it is capable of supporting large plants through the end of the life cycle. The Improved technology allows for better re-saturation and balanced water distribution over the height of the block allowing the roots to fill the entire volume of the media.
    Q102202.jpg

    Grodan Macroplug 1.5" Round with Slit (Bulk) (2,000 / case)

    Q102202
    Grodan MacroPlugs™ are 1.5 in round with a slit that allows easy insertion of a cutting. These loose round plugs fit perfectly into the Gro-Block™ hole. For best results always insert MacroPlugs™ in a tray with individual cells. The individual cell will make sure the plug stays closed around the stem of your cutting.
    Q102197.jpg

    Grodan Improved Gro-Slab 6" x 4" x 36" (15 x 10 x 91.4 cm) (12 / case)

    Q102197
    "Grodan Improved Gro-Slabs offer a wide control range to steer your crop using simple irrigation strategies. They can also be resaturated quickly and effectively. The WC and EC are distributed uniformly throughout the slabs. As a result
    Q102201.jpg

    Grodan Improved Gro-Slab 12" x 3" x 36" (30.5 x 7.6 x 91.4 cm) (8 / case)

    Q102201
    "Grodan Improved Gro-Slabs offer a wide control range to steer your crop using simple irrigation strategies. They can also be resaturated quickly and effectively. The WC and EC are distributed uniformly throughout the slabs. As a result
    Q102200.jpg

    Grodan A-OK 2" Starter Plugs 50/40 (50/Sheet) Wrapped (30 / case)

    Q102200
    "Grodan A-OK 2 inch Starter Plugs™ These square size plugs are connected to each other at the top of the plug forming a sheet fitting a 10/20 tray.Grodan plugs are meticulously designed to streamline the growing process
    Q102198.jpg

    Grodan Improved Gro-Slab 6" x 3" x 36" (15 x 7.6 x 91.4 cm) (12 / case)

    Q102198
    "Grodan Improved Gro-Slabs offer a wide control range to steer your crop using simple irrigation strategies. They can also be resaturated quickly and effectively. The WC and EC are distributed uniformly throughout the slabs. As a result
    Q102199.jpg

    Grodan Improved Gro-Slab 8" x 3" x 36" (20 x 7.6 x 91.4 cm) (12 / case)

    Q102199
    "Grodan Improved Gro-Slabs offer a wide control range to steer your crop using simple irrigation strategies. They can also be resaturated quickly and effectively. The WC and EC are distributed uniformly throughout the slabs. As a result
    Q102205.jpg

    Grodan Improved GR32 Hugo Gro-Block 6" x 6" x 6" (15 x 15 x 15 cm) Loose Pallet (512 / skid)

    Q102205
    "These leading-edge Grodan Improved blocks have the optimal fiber structure and physical properties for crop uniformity
    Q102208.jpg
    Q102192.jpg

    Grodan Improved GR6.5 Gro-Block Small 4"x 4" x 2.5" (10 x 10 x 6.5 cm) Wrapped (216 / case)

    Q102192
    "These leading-edge Grodan Improved blocks have the optimal fiber structure and physical properties for crop uniformity
    Q102193.jpg

    Grodan Improved GR7.5 Gro-Block Medium 4" x 4" x 3" (10 x 10 x 7.5 cm) Wrapped (192 / case)

    Q102193
    "These leading-edge Grodan Improved blocks have the optimal fiber structure and physical properties for crop uniformity
    Q102190.jpg

    Grodan Improved GR5.6 Gro-Block Large 3" x 3" x 4" (7.5 x 7.5 x 10 cm) Wrapped (256 / case)

    Q102190
    "These leading-edge Grodan Improved blocks have the optimal fiber structure and physical properties for crop uniformity
    Q102191-02.jpg

    Grodan Improved GR6.5 Gro-Block Small 4"x 4" x 2.5" (10 x 10 x 6.5 cm) No Wrap (216 / case)

    Q102191
    "These leading-edge Grodan Improved blocks have the optimal fiber structure and physical properties for crop uniformity
    Q102189.jpg

    Grodan Improved GR4 Gro-Block Small 3" x 3" x 2.5" (7.5 x 7.5 x 6.5 cm) Wrapped (384 / case)

    Q102189
    "These leading-edge Grodan Improved blocks have the optimal fiber structure and physical properties for crop uniformity
    Q112520.jpg

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

    Q112520
    Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different types of fibers. The purpose is to support the requirement of the plant in the different plant stages. Grodan has a tremendous capacity for absorbing nutrient solution while retaining plenty of oxygen for rapid plant growth. Grodan comes in gr
    Q102187.jpg

    Grodan Improved GR4 Gro-Block Small 3" x 3" x 2.5" (7.5 x 7.5 x 6.5 cm) No Wrap (384 / case)

    Q102187
    "These leading-edge Grodan Improved blocks have the optimal fiber structure and physical properties for crop uniformity
    Q100437.jpg

    Grodan Gro-Smart Tray Insert (EA)

    Q100437
    Your Grodan Starter plugs Mini-Blocks™ and Gro-Blocks™ have finally found a home. This durable Dutch tray has double-sided features. Use the 78-cell side to perfectly fit 1.5in A-OK Starter™ plugs or round Macroplugs™. Use the mesh side for sheets of A-OK’s Mini-Blocks or Gro-Blocks. The tray fits in a standard 10 x 20 flat and keeps the Grodan elevated from the bottom of the flat. Easily sanitize as any hard-plastic product; even dish-washer safe! This terra-cotta colored tray was designed b
    Q102209.jpg

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

    Q102209
    "These leading-edge Grodan Improved blocks have the optimal fiber structure and physical properties for crop uniformity
    Q100444.jpg

    Grodan A-OK Starter Plugs 1.5" (36/40) No Wrap (98 / sheet, 30 / case)

    Q100444
    A-OK Starter Plugs™ for starting seeds and rooting of cuttings prior to plugging into the larger Gro-Blocks. A-OK Starter Plugs™ come labeled with instructions in a shrink-wrapped sheet that fits a standard 10 x 20 tray (flat). Note: Item #713020 is supplied without shrink wrap.