| Sort by Popularity | Manufacturer+ | Product(s) | Model | Price | Buy Now |
| | grodan | Delta 4 (with hole) 3" x 3" x H2.5"
Delta 4 (with hole) 3” x 3” x H2.5” (eco-8006)Delta 4 Block, 3"x3"x2.5" with 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... — Ships from Seattle, Washington USA...more. | eco-8006 | $179.35 | |
| | grodan | PARGRO® STONEWOOL QD BLOCK BIGGIE - 6" X 6" X 6" - (24 BLOCKS/CASE) (24 CASES/PALLET)
Pargro® Quick Drain Stonewool
PARGRO QD BIGGIE 6" BLOCK
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.**
*Resting saturation measurements taken from QD slabs vs. Neptune slabs. Pargro QD was 10% drier t... ...more. | 713255 | $54.98 | |
| | grodan | PARGRO® STONEWOOL QD BLOCKS - 1.5" X 1.5" X 1.5" (45/STRIPS/WRAP) (26 WRAPS/CASE) (30 CASES/PALLET)
Pargro® Quick Drain Stonewool
PARGRO QD BLOCK 1.5 x 1.5 x 1.5in
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.**
*Resting saturation measurements taken from QD slabs vs. Neptune slabs. Pargro QD was 10%... ...more. | 713215 | $113.23 | |
| | grodan | Delta 10 (with hole) 4" x 4" x H4"
Delta 10 (with hole) 4” x 4” x H4” (eco-8011)Delta 10 Block, 4x4x4", case of 144
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 r... — Ships separately from Seattle, Washington USA — FREE shipping when ordering $75 or more of qualifying items....more. | eco-8011 | $186.47 | |
| | grodan | GRODAN® STONEWOOL AO-K STARTER PLUGS® AO 36/40 6/15 1.5" X 1.5" (98 PLUGS/SHEET) (30 SHEETS/CASE)
Grodan® Stonewool A-Ok Starter Plugs®
A-OK 36/40 PLUG 98/SHEET 1.5" 1EA=30SHTS
A-Ok Starter Plugs are for starting seeds and rooting of cuttings prior to plugging into the larger Gro-Blocks. A-Ok plugs come labeled with instructions in a shrink-wrapped sheet that fits standard 10x20 tray (flat). Note: Item #713020 is supplied without shrink wrap.
... — FREE shipping when ordering $75 or more of qualifying items....more. | 713025 | $363.42 | |
| | grodan | PARGRO® STONEWOOL NEPTUNE BLOCKS - 1.5" X 1.5" X 1.5" (3-15 STRIPS/WRAP) (50 WRAPS/CASE)
Pargro® Stonewool
NEPTUNE BLOCK 1.5 x 1.5 x 1.5" (15plt)
Quality at a smart price.Better grooves, better drainage less risk of root rotUniform fiber structure ensures optimum nutrient and pH controlProduced at the Grodan factory, but holds 3% more water than GrodanUsed worldwide by commercial growers for over 14 years.
Manufacturer's Product... — FREE shipping when ordering $75 or more of qualifying items....more. | 713115 | $309.97 | |
| | grodan | Rockwool Grow Cubes. Medium Bag
Rockwool Grow Cubes by Grodan. Medium Bag.Small air pockets form spaces for roots to take in oxygen but still be moist. Good stuff.Cubes are approximately 3/8" by 3/8" square.... — Ships via UPS from Portland, Oregon USA...more. | RW103 | $23.89 | |
| | grodan | Delta 6.5 (with hole) 4" x 4" x H2.5"
Delta 6.5 (with hole) 4” x 4” x H2.5” (eco-8008)Delta 6.5 Block, 4"x4"x2.5", case of 216
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 from Seattle, Washington USA...more. | eco-8008 | $149.95 | |
| | grodan | GRODAN® STONEWOOL GRO-BLOCKS® - DELTA® 4 - SMALL 3" W/HOLES - 3" X 3" X 2.5" (8 BLOCKS/STRIP) (48 STRIPS/CASE)
Grodan® Stonewool Delta® Gro-Blocks®
DELTA 4 BLOCK 3x3x2.5" HOLE (1= 48 PKS)
Gro-Blocks are similar to 'plant container'. Need a 3" pot? Then choose a 3" Gro-Block. Small plants can be fully grown in larger Gro-Blocks. Holes are perfect size for any 1.5" starter plug. Come in packs labeled with instructions.
Manufacturer's Product Informatio... — FREE shipping when ordering $75 or more of qualifying items....more. | 713055 | $254.46 | |
| | grodan | GRODAN® STONEWOOL GRO-BLOCKS® - DELTA® 5.6 - LARGE 3" W/HOLES - 3" X 3" X 4" (8 BLOCKS/STRIP) (32 STRIPS/CASE)
Grodan® Stonewool Delta® Gro-Blocks®
DELTA 5.6 BLOCK 3x3x4 HOLE (1EA= 32 PKS)
Gro-Blocks are similar to 'plant container'. Need a 3" pot? Then choose a 3" Gro-Block. Small plants can be fully grown in larger Gro-Blocks. Holes are perfect size for any 1.5" starter plug. Come in packs labeled with instructions.
Manufacturer's Product Informati... — FREE shipping when ordering $75 or more of qualifying items....more. | 713060 | $254.38 | |
| | grodan | GRODAN® STONEWOOL GRO-BLOCKS® - DELTA® 6.5 - SMALL 4" W/HOLES - 4" X 4" X 2.5" (6 BLOCKS/STRIP) (36 STRIPS/CASE)
Grodan® Stonewool Delta® Gro-Blocks®
DELTA 6.5 BLOCK 4x4x2.5 HOLE (1EA=36PKS)
Gro-Blocks are similar to 'plant container'. Need a 3" pot? Then choose a 3" Gro-Block. Small plants can be fully grown in larger Gro-Blocks. Holes are perfect size for any 1.5" starter plug. Come in packs labeled with instructions.
Manufacturer's Product Informati... — FREE shipping when ordering $75 or more of qualifying items....more. | 713065 | $198.07 | |
| | grodan | GRODAN® STONEWOOL GRO-SLABS® EXPERT 20/75 8" SLAB 8" X 3" X 36" (12/CASE) (14 CASES/PALLET)
Grodan® Stonewool Gro-Slabs®
EXPERT 20/75 SLAB 8x3x36 (1EA= 12 SLABS)
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.Expert vertical fibers for faster drainage; bes... — FREE shipping when ordering $75 or more of qualifying items....more. | 713010 | $115.59 | |
| | grodan | Growcubes - large bag Fills 23- 1 gal pots (2 cubic feet 3 per Case)
Growcubes - large bag Fills 23- 1 gal pots (2 cubic feet 3 per Case) (eco-5537C)Grodan Mini Cubes, 2 Cubic Feet bag, case of 3
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 diffe... — Ships from Seattle, Washington USA...more. | eco-5537C | $105.50 | |
| | grodan | PARGRO® STONEWOOL NEPTUNE BLOCKS - 3" X 3" X 2.5" (8 STRIPS/WRAP) (48 WRAPS/CASE)
Pargro® Stonewool
NEPTUNE BLOCK 3 x 3 x 2.5in (15plt)
Quality at a smart price.Better grooves, better drainage less risk of root rotUniform fiber structure ensures optimum nutrient and pH controlProduced at the Grodan factory, but holds 3% more water than GrodanUsed worldwide by commercial growers for over 14 years.
Manufacturer's Product I... ...more. | 713120 | $98.53 | |
| | grodan | PARGRO® STONEWOOL QD SLABS 15/75-90 - 36" X 6" X 3" (1 SLAB/WRAP) (12 WRAPS/CASE)
Grodan Pargro Quick Drain Stonewool
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.
Resting saturation measurements taken from QD slabs vs. Neptune slabs. Pargro QD was 10% drier than Nep... ...more. | 713235 | $48.17 | |
| | grodan | A-OK Starter Plugs 1" (6000 Cs) size: 200/sheet
A-OK Starter Plugs 1” (6000 Cs) size: 200/sheet (eco-8000)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 separately from Seattle, Washington USA — FREE shipping when ordering $75 or more of qualifying items....more. | eco-8000 | $353.79 | |
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