Rockwool

 
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Rockwool Cubes, 1.5"x1.5" (12 pack) Grodan Starter Mini-Blocks MM40/40 1.5"x1.5"x1.5", pack of 45 Grodan Starter Mini-Blocks MM50/40 2"x2"x1.5", pack of 24
Rockwool Cubes, 1.5"x1.5" (12 pack)Grodan Starter Mini-Blocks MM40/40 1.5"x1.5"x1.5", pack of 45Grodan Starter Mini-Blocks MM50/40 2"x2"x1.5", pack of 24

For seed starting and rooting cuttings

For easy starting of seeds & cuttings

For easy starting of seeds & cuttings

$5.99

$4.99

$8.60

$7.99

$6.48

$5.99

Grodan A-OK 25/40 - 1"x1" Starter Plugs (200/Sheet) Grodan A-OK 36/40 1.5"x1.5" Starter Plugs (98/Sheet) Grodan A-OK 50/40 2"x2" Starter Plugs (50/Sheet)
Grodan A-OK 25/40 - 1"x1" Starter Plugs (200/Sheet)Grodan A-OK 36/40 1.5"x1.5" Starter Plugs (98/Sheet)Grodan A-OK 50/40 2"x2" Starter Plugs (50/Sheet)

For seed starting & rooting cuttings

For seed starting & rooting cuttings

For seed starting & rooting cuttings

$13.74

$12.59

$12.48

$11.49

$10.81

$9.99

Grodan Macro Plugs, Pack of 50 Grodan Delta 4 Block, 3"x3"x2.5" w/ Hole, pack of 8 Grodan Delta 4 Block, 3"x3"x2.5" No Hole
Grodan Macro Plugs, Pack of 50Grodan Delta 4 Block, 3"x3"x2.5" w/ Hole, pack of 8Grodan Delta 4 Block, 3"x3"x2.5" No Hole, pack of 8

Perfect for rooting cuttings

Small plants for transplanting

Small plants for transplanting

$11.05

$10.39

$5.54

$5.19

$5.54

$5.19

Grodan Delta 5.6 Block, 3"x3"x4" w/ Hole, pack of 8 Grodan Delta 6.5 Block 4"x4"x2.5" w/ Hole, pack of 6 Grodan Delta 8 Block, 4"x4"x3", w/ Hole, pack of 6
Grodan Delta 5.6 Block, 3"x3"x4" w/ Hole, pack of 8Grodan Delta 6.5 Block 4"x4"x2.5" w/ Hole, pack of 6Grodan Delta 8 Block, 4"x4"x3", w/ Hole, pack of 6

Perfect for NFT systems

Perfect for tomatoes & cucumbers

Perfect for plants in large flood trays

$8.31

$7.79

$5.75

$5.39

$7.97

$7.49

Grodan Delta 10 - 4" Block, 4"x4"x4" w/ Hole, pack of 6 Grodan Hugo 6"x6"x6" Block w/ Hole Grodan Big Mama 8"x8"x8" Block
Grodan Delta 10 - 4" Block, 4"x4"x4" w/ Hole, pack of 6Grodan Hugo 6"x6"x6" Block w/ HoleGrodan Big Mama 8"x8"x8" Block

Perfect for plants in large flood trays

Large enough to grow most vegetables.

For growing large plants & small trees

$9.20

$8.59

$3.39

$3.19

$7.88

$7.39

Grodan Uni Slab 9.5"x8"x4" Grodan Classic 30/75 Slab (wet), 36"x12"x3" Grodan Expert 15/75 Slab, 36"x6"x3"
Grodan Uni Slab 9.5"x8"x4"Grodan Classic 30/75 Slab (wet), 36"x12"x3"Grodan Expert 15/75 Slab, 36"x6"x3"

Low-maintenance, simple way to grow

Good for growing large vine crops

Good for growing large vine crops

$5.59

$5.19

$15.18

$14.19

$7.75

$7.29

Grodan Expert 15/75 Fat Slab, 40"x6"x3" Grodan Expert 15/100 Fat Slab, 36"x6"x4" Grodan Expert 20/75 Slab, 36"x8"x3"
Grodan Expert 15/75 Fat Slab, 40"x6"x3"Grodan Expert 15/100 Fat Slab, 36"x6"x4"Grodan Expert 20/75 Slab, 36"x8"x3"

Good for growing large vine crops

Good for growing large vine crops

Good for growing large vine crops

$8.55

$7.99

$10.33

$9.69

$10.07

$9.49

Grodan Mini Cubes, 1 cu ft bag Grodan Mini Cubes, 2 cu ft bag Grodan Mini Cubes, 5.3 cu ft box
Grodan Mini Cubes, 1 cu ft bagGrodan Mini Cubes, 2 cu ft bagGrodan Mini Cubes, 5.3 cu ft box

Small stonewool croutons

Small stonewool croutons

Small stonewool croutons

$25.87

$23.99

$41.69

$38.99

$101.69

$94.99

Grodan Grow Chunks, 2 cu ft Medium Water Absorbent Granulate, 13.4 cf Medium Water Repellent Granulate, 45 lbs.
Grodan Grow Chunks, 2 cu ftGro-Wool Medium Water Absorbent Granulate, 13.4 cfMedium Water Repellent Granulate, 45 lbs.

Great for direct planting or filling around blocks

Increases water holding capacity

Increases aeration

$41.69

$38.99

$76.70

$71.99

$75.93

$69.99

Pargro Quick Drain 1.5" Starter Plugs, Sheet of 98 Pargro Quick Drain 3" Block 3"x3"x2.5 No Hole, Pack of 8 Pargro Quick Drain 3" Block 3"x3"x2.5" w/ Hole, Pack of 8
Pargro Quick Drain 1.5" Starter Plugs, Sheet of 98Pargro Quick Drain 3" Block 3"x3"x2.5 No Hole, Pack of 8Pargro Quick Drain 3" Block 3"x3"x2.5" w/ Hole, Pack of 8

Quality rockwool with excellent drainage

Quality rockwool with excellent drainage

Quality rockwool with excellent drainage

$11.90

$10.79

$4.51

$4.10

$4.79

$4.29

Pargro Quick Drain 4" Block 4"x4"x2.5", Pack of 6 Pargro Quick Drain 4" Block 4"x4"x4", Pack of 6 Pargro Quick Drain Jumbo Block 6"x6"x4"
Pargro Quick Drain 4" Block 4"x4"x2.5", Pack of 6Pargro Quick Drain 4" Block 4"x4"x4", Pack of 6Pargro Quick Drain Jumbo Block 6"x6"x4"

Quality rockwool with excellent drainage

Quality rockwool with excellent drainage

Quality rockwool with excellent drainage

$4.99

$4.79

$6.95

$6.29

$2.50

$2.29

Pargro Quick Drain Slab 36"x6"x3" Pargro Quick Drain Slab, 40"x6"x3" Pargro V-Slab 6"x36"
Pargro Quick Drain Slab 36"x6"x3"Pargro Quick Drain Slab, 40"x6"x3"Pargro V-Slab 6"x36"

Quality rockwool with excellent drainage

Quality rockwool with excellent drainage

Designed specifically for vertical growing

$5.87

$5.59

$6.46

$6.19

$6.52

$6.19

Europonic Rockwool Conditioning Solution, 1 qt Europonic Rockwool Conditioning Solution, 1 gal 4" Rockwool Block Covers, Pack of 40
Europonic Rockwool Conditioning Solution, 1 qtEuroponic Rockwool Conditioning Solution, 1 gal4" Rockwool Block Covers, Pack of 40

Stabilizes and adjusts the pH of rockwool

Stabilizes and adjusts the pH of rockwool

Block covers prevent algae growth on rockwool.

$17.99

$16.99

$39.99

$36.99

$11.95

$10.99

6" Rockwool Block Covers, Pack of 40 8" Rockwool Block Covers, Pack of 40 4" Square Drip Cap
6" Rockwool Block Covers, Pack of 408" Rockwool Block Covers, Pack of 404" Square Drip Cap

Block covers prevent algae growth on rockwool.

Block covers prevent algae growth on rockwool

Conserves water and protects grow medium

$21.95

$19.99

$25.95

$23.99

$2.50

$2.39

6" Square Drip Cap Coco Caps 4" - 10 pack Coco Caps 6" - 10 pack
6" Square Drip CapCoco Caps 4" - 10 packCoco Caps 6" - 10 pack

Conserves water and protects grow medium

Coco caps prevent algae growth on rockwool.

Coco caps prevent algae growth on rockwool.

$3.00

$2.89

$4.45

$3.99

$5.45

$4.99

Cube Cap 3" Cube Cap 4" Cube Cap 6"
Cube Cap 3"Cube Cap 4"Cube Cap 6"

Minimizes algae & fungus gnats

Minimizes algae & fungus gnats

Minimizes algae & fungus gnats

$1.30

$1.19

$1.19

$1.09

$2.50

$2.29

1 - 48 of 48 items