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A-OK Starter Plugs 1.5" (2940 Cs) size: 98/sheet A-OK Starter Plugs 1.5” (2940 Cs) size: 98/sheet (eco-8001)Grodan Plant Starter Plugs
A-OK Starter Plugs are for starting seeds and rooting of cuttings prior to
plugging into the larger Gro-Blocks. The 1.5” size work perfectly in the
white Grodan Starter Tray. A-OK plugs come labeled with instructions in
a shrink-wrapped sheet that fits a standard 10x20 tray (flat).
... — Ships from Seattle, Washington USA — FREE shipping when ordering $75 or more of qualifying items....more.
Agrowool Absorbent (20 lbs.) Agrowool Absorbent (20 lbs.) (eco-5540C)Grodan Granulate
Granulated stonewool can be used alone or
mixed with other loose media such as expanded
clay rocks. Eg. The addition of water absorbent
granulate to peat mixes at 25-50% volume
increases water holding capacity and aeration,
improving plant growth and shelf life. The water
repellent granulates are superior substitutes for
aer... — Ships separately from Seattle, Washington USA...more.
Agrowool Absorbent (40 lbs.) Agrowool Absorbent (40 lbs.) (eco-5540D)Grodan Granulate
Granulated stonewool can be used alone or
mixed with other loose media such as expanded
clay rocks. Eg. The addition of water absorbent
granulate to peat mixes at 25-50% volume
increases water holding capacity and aeration,
improving plant growth and shelf life. The water
repellent granulates are superior substitutes for
aer... — Ships separately from Seattle, Washington USA...more.
Classic Slab 12" (8 slabs per case) 12" x 3" x 36" Classic Slab 12” (8 slabs per case) 12” x 3” x 36” (eco-8032)Classic 30/75 Slab (wet), 12" x 3", case of 8
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.... — Ships from Seattle, Washington USA...more.
COCO DAN 4" CAPS (10/BAG) 1 EA = 1 BAG Cocodan Coco Caps
The organic alternative to plastic covers for rockwool blocks. Use Coco Caps to help prevent light penetration that may cause algae growth.... ...more.
COCO-DAN COCO GROWING MIX 50L 70/PALLET Coco Dan® Growing MixCoco-dan growing mix is OMRI listed. It delivers the perfect ratio of air to water and has excellent water holding capacity. Coco-dan has been fresh water rinsed and packaged with the addition of worm castings for a completely organic mix. It has not been treated with any chemical fertilizers so it is recommended it be initially flushed with a high calcium or m... ...more.
Delta 4 (no hole) 3" x 3" x H2.5" Delta 4 (no hole) 3” x 3” x H2.5” (eco-8005)Delta 4 Block, 3x3x2.5", no hole, case of 384
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 supp... — Ships separately from Seattle, Washington USA — FREE shipping when ordering $75 or more of qualifying items....more.
Delta 5.6 (with hole) 3" x 3" x H4" Delta 5.6 (with hole) 3” x 3” x H4” (eco-8007)Delta 5.6 Block, 3"x3"x4", case of 256
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 t... — Ships from Seattle, Washington USA — FREE shipping when ordering $75 or more of qualifying items....more.
Delta 8 (no hole) 4" x 4" x H3" Delta 8 (no hole) 4” x 4” x H3” (eco-8009)Delta 4 Block, 3x3x2.5", no hole, case of 384
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 supp... — Ships separately from Seattle, Washington USA — FREE shipping when ordering $75 or more of qualifying items....more.
Delta 8 (with hole) 4" x 4" x H3" Delta 8 (with hole) 4” x 4” x H3” (eco-8010)Delta 8 Block, 4"x4"x3", with hole, case of 180
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 su... — Ships from Seattle, Washington USA — FREE shipping when ordering $75 or more of qualifying items....more.
Expert Slab 6" (12 slabs per case) 6" x 3" x 36" Expert Slab 6” (12 slabs per case) 6” x 3” x 36” (eco-8030)Expert 15/75 Slab, 36x6x3, case of 12
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 purpos... — Ships from Seattle, Washington USA...more.
Expert Slab 8" (12 slabs per case) 8" x 3" x 36" Expert Slab 8” (12 slabs per case) 8” x 3” x 36” (eco-8031)Expert 20/75 Slab, 8"x3", case of 12
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 ... — Ships from Seattle, Washington USA...more.
Grodan Big Mama Grodan Big Mama (eco-8025)BIG MAMA is the largest block ever produced by Grodan. It is 8”
square and contains over twice the amount of wool as the popular
Hugo block. This block is big enough to grow a large plant for its entire
life! When your plant outgrows its current block, just place it on top of
Big Mama. BIG MAMA is solid wool and does not have a precut hole
thus making it s... — Ships separately from Seattle, Washington USA...more.
Grodan Expert Fat Slabs 15/100 6in x 4in x 36in Grodan Stonewool Gro-SlabsGrodan Expert Fat Slabs 15/100 6in x 4in x 36in (713001)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. Uni-slab - All plant roots are protected ... ...more.
GRODAN GROW CHUNKS (1EA = 3 BAGS) Grodan® Stonewool Grow Chunks
Light, airy & versatile. GrowChunks are about 3/4 inch square each and can be used in pots around blocks or alone. They are easily combined with other media, such as layering with coco fiber or clay pellets. They can also be combined with soil for added aeration and increased moisture holding properties. Great for hydro systems or container gardenin... ...more.
Grodan Med. Grade Repellant (45 lbs.) Grodan Med. Grade Repellant (45 lbs.) (eco-5540B)Grodan Granulate
Granulated stonewool can be used alone or
mixed with other loose media such as expanded
clay rocks. Eg. The addition of water absorbent
granulate to peat mixes at 25-50% volume
increases water holding capacity and aeration,
improving plant growth and shelf life. The water
repellent granulates are superior substitute... — Ships separately from Seattle, Washington USA...more.
