Rockwool

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Grodan Grow-Cubes, 5.07 cu ft loose-NWGSupply.com
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$106.85
$86.55

Grodan Grow-Cubes, 5.07 cu ft loose

Grodan

Made of the same high-quality stonewool as the larger cubes and slabs, these miniature Grodan Grow-Cubes fit any container size or shape. Grow-Cube...

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$106.85
$86.55
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Grodan Grow-Cubes, 2 cu ft (3/Case)-NWGSupply.com
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$134.42
$121.38

Grodan Grow-Cubes, 2 cu ft (3/Case)

Grodan

Made of the same high-quality stonewool as the larger cubes and slabs, these miniature Grodan Grow-Cubes fit any container size or shape. Grow-Cube...

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$134.42
$121.38
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Grodan Pargro QD Biggie Block 6 in x 6 in x 6in w/ Hole 64/Pack-NWGSupply.com
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$213.47
$183.95

Grodan Pargro QD Biggie Block 6 in x 6 in x 6in w/ Hole 64/Pack

Grodan

Same quality, same value-priced, Half sized cases. Driest value-priced rockwool on the market. Made at the Grodan factories. Plain brown half case ...

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$213.47
$183.95
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Grodan Pargro QD 4 in x 4 in Block (72) w/ Hole-NWGSupply.com
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$81.14
$68.17

Grodan Pargro QD 4 in x 4 in Block (72) w/ Hole

Grodan

Same quality, same value-priced, Half sized cases. Driest value-priced rockwool on the market. Made at the Grodan factories. Plain brown half case ...

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$81.14
$68.17
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Grodan Granulate Water Absorbent, 45 lb-NWGSupply.com
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$80.59
$67.69

Grodan Granulate Water Absorbent, 45 lb

Grodan

Grodan Water Absorbent Granules consist of premium horticultural stonewool with a reputation for quality and performance. Particularly practical in...

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$80.59
$67.69
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Grodan Delta Hugo 6 in Block 6 in x 6 in x 6 in w/ Hole (64/cs)-NWGSupply.com
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$227.71
$170.90

Grodan Delta Hugo 6 in Block 6 in x 6 in x 6 in w/ Hole (64/cs)

Grodan

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-Block...

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$227.71
$170.90
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Pargro QD Jumbo Case:36-NWGSupply.com
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$87.62
$70.97

Pargro QD Jumbo Case:36

Pargro

Pargro is the leader among affordable horticultural rockwool. Made right in the Grodan factory, you can be assured of a high quality product at a g...

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$87.62
$70.97
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Grodan Delta Big Mama Block 8 in x 8 in x 8 in-NWGSupply.com
$156.77

Grodan Delta Big Mama Block 8 in x 8 in x 8 in

Grodan

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-Block...

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$156.77
Gro-Slab, 36" x 8" x 3" (case of 12)-NWGSupply.com
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$139.20
$125.28

Gro-Slab, 36" x 8" x 3" (case of 12)

Grodan

Grodan Stonewool is a proven hydroponics growing medium preferred by garden enthusiasts everywhere. This 36" x 8" x 3" Delta Expert Gro-Slab is per...

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$139.20
$125.28
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Cube 2x2x1.5-NWGSupply.com
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$338.97
$263.23

Cube 2x2x1.5

Grodan

Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where oth...

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$338.97
$263.23
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Starter Mini-Blocks, 1.5", 45 Pack (50 per case)-NWGSupply.com
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$496.50
$447.00

Starter Mini-Blocks, 1.5", 45 Pack (50 per case)

Grodan

Stonewool is recognized the world over as the ideal hydroponics growing substrate. Grodan stonewool is known for its quality, consistency and perfo...

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$496.50
$447.00
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Medium Water Repellent Granulate, 45 lbs.-NWGSupply.com
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$82.52
$74.95

Medium Water Repellent Granulate, 45 lbs.

Grodan

Granulated rockwool can be used alone or as an amendment to organic based mixes. For example, the addition of water absorbant granulate to peat mix...

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$82.52
$74.95
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Mini Cubes Loose-NWGSupply.com
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$106.84
$86.54

Mini Cubes Loose

Grodan

This loose fill, non-bagged product consists of small stonewool croutons about the size of a finger nail. When you use this potting mix the miniatu...

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$106.84
$86.54
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Hugo Blk 6x6x5.8 w/hole 40/40-NWGSupply.com
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$167.47
$141.41

Hugo Blk 6x6x5.8 w/hole 40/40

Grodan

Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where oth...

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$167.47
$141.41
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Grodan Pargro QD 1.5 in Plug (1372) 1.5 in x 1.5 in x 1.5 in-NWGSupply.com
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$162.15
$154.37

Grodan Pargro QD 1.5 in Plug (1372) 1.5 in x 1.5 in x 1.5 in

Grodan

Same quality, same value-priced, Half sized cases. Driest value-priced rockwool on the market. Made at the Grodan factories. Plain brown half case ...

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$162.15
$154.37
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Gro-Wool Medium Water Absorbent Granulate, 13.4 cu ft-NWGSupply.com
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$80.59
$67.69

Gro-Wool Medium Water Absorbent Granulate, 13.4 cu ft

Grodan

Granulated rockwool can be used alone or as an amendment to organic based mixes. For example, the addition of water absorbant granulate to peat mix...

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$80.59
$67.69
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Gro-Slab, 40" x 6" x 3"-NWGSupply.com
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$9.88
$8.90

Gro-Slab, 40" x 6" x 3"

Grodan

Grodan Stonewool is a proven hydroponics growing medium preferred by garden enthusiasts everywhere. The 39" x 6" x 3" Expert Slab is perfect for "b...

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$9.88
$8.90
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Pargro QD Plugs, 1.5", 98 pk (14Pk/case)-NWGSupply.com
Save 94%
$178.36
$11.46

Pargro QD Plugs, 1.5", 98 pk (14Pk/case)

Pargro

Pargro QD (Quick Drain) offers an economical alternative to other rockwool products, without skimping on quality. Because Pargro skips the frills, ...

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$178.36
$11.46
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Pargro QD Cube, 1.5", 45 Pack (26/case)-NWGSupply.com
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$212.68
$204.36

Pargro QD Cube, 1.5", 45 Pack (26/case)

Pargro

Pargro QD (Quick Drain) offers an economical alternative to other rockwool products, without skimping on quality. Because Pargro skips the frills, ...

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$212.68
$204.36
Save 4%
Pargro QD 6x36" Slab-NWGSupply.com
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$75.45
$63.38

Pargro QD 6x36" Slab

Pargro

Pargro is the leader among affordable horticultural rockwool. Made right in the Grodan factory, you can be assured of a high quality product at a g...

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$75.45
$63.38
Save 16%
Pargro QD 4x4" Wrapped-NWGSupply.com
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$81.14
$68.17

Pargro QD 4x4" Wrapped

Pargro

Pargro is the leader among affordable horticultural rockwool. Made right in the Grodan factory, you can be assured of a high quality product at a g...

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$81.14
$68.17
Save 16%
Starter Mini-Blocks 2", 24 Pack (60 per case)-NWGSupply.com
Save 4%
$449.40
$430.00

Starter Mini-Blocks 2", 24 Pack (60 per case)

Grodan

Stonewool is a state-of-the-art growing substrate preferred by hundreds of hydroponics gardeners. Seeds or cuttings are started in these Grodan Min...

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$449.40
$430.00
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Macroplugs, Round 1.5", 50 Pack (35 per case)-NWGSupply.com
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$447.30
$402.85

Macroplugs, Round 1.5", 50 Pack (35 per case)

Grodan

Stonewool Macroplugs are a sure bet for optimum germination. They start as basalt rock and chalk that is melted, spun into cotton candy-like fibers...

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$447.30
$402.85
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Grodan Pargro QD 6 in x 36 in Slab-NWGSupply.com
Save 16%
$75.45
$63.38

Grodan Pargro QD 6 in x 36 in Slab

Grodan

Same quality, same value-priced, Half sized cases. Driest value-priced rockwool on the market. Made at the Grodan factories. Plain brown half case ...

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$75.45
$63.38
Save 16%