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Grodan Starter Plugs™ professional stone wool propagation plugs for hydroponics Grodan Starter Pl...
Macro Plugs 50 Pk - Grodan

Macro Plugs 50 Pk - Grodan

$14.93
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Grodan 3x3x2.5 Rockwool (8 Pack)

Grodan 3x3x2.5 Rockwool (8 Pack)

$6.93 $7.19
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Grodan Starter Plugs are designed for starting seedlings and rooting stem cuttings. The finely wo...
A-Ok Starter Plugs - Grodan

A-Ok Starter Plugs - Grodan

$22.93
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Grodan Delta 10 G 42/40 (4x4x4 Rockwool) - 6 Pack

Grodan Delta 10 G 42/40 (4x4x4 Rockwool) -...

$13.00
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Master Microgreens and Micropropagation with Grodan Cress Plate The thin sheets of Grodan stone w...
Grodan Cress Plate 10x20

Grodan Cress Plate 10x20

$2.50
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Grodan A-Ok Starter Plugs™ are for starting seeds and rooting cuttings prior to plugging into lar...
A-Ok Starter Plugs (Case) - Grodan

A-Ok Starter Plugs (Case) - Grodan

$429.93 $441.02
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Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then ...
Grodan Delta 10 G 42/40 (4x4x4) 144 Case

Grodan Delta 10 G 42/40 (4x4x4) 144 Case

$279.93
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4" Square Grow Lids Dual Sided Black / White Grodan Rockwool Block Covers, 40 Pack Dual-sided 5....
Rockwool Block Cover 4" (40 Pk)

Rockwool Block Cover 4" (40 Pk)

$13.93
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Whether starting your seeds and cuttings in A-OK Starters, Macroplugs, or Mini-Blocks it is a goo...
Grodan Delta 6.5 42/40 (4x4x2.5 Rockwool Case of 216)

Grodan Delta 6.5 42/40 (4x4x2.5 Rockwool C...

$205.93
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Whether starting your seeds and cuttings in A-OK Starters, Macroplugs, or Mini-Blocks it is a goo...
Grodan Delta 6.5 42/40 (4x4x2.5) - 6 Pack

Grodan Delta 6.5 42/40 (4x4x2.5) - 6 Pack

$6.70
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3x3x2.5 Rockwool - Case (48) Grodan

$249.93 $269.93