Rockwool

A-OK Starter Plugs™ for starting seeds and rooting of cuttings prior to plugging into the larger Gro-Blocks. A-OK Starter Plugs™ come labeled with instructions in a shrink-wrapped sheet that fits a standard 10 x 20 tray (flat). Note: Item #713020 is suppl

Hydrofarm 6 in. Rockwool Block Cover

Grodan Grodan Expert Slab 20/75 8 in Case of 12

Mini-Blocks™ sit in a tray (flat) without support for easy starting of seeds and cuttings. These Mini-Blocks™ are individually wrapped in white plastic to minimize algae growth. Remove wrapping and transplant into any loose media such as Grow-Cubes™ or co

Grodan Grodan Delta 4 3x3x2.5 in 42/40 with Hole single

Grodan Grodan Growcubes Bulk Loose Box

Mapito 80L Bag

Cultilene Cultilene 6x6x5.3 Block w/ Opti single

Cultilene Cultilene 1.5x1.5x1.5 Cubes w/

Grodan Grodan Growcubes Large 2 cu ft

Grodan Grodan Grow Chunks single

Grodan Grodan Hugo Block 6x6x5.8 w/hole 40/40 single

Grodan Grodan 4x4x4 Delta 10 6 pack Single

A-OK Starter Plugs™ for starting seeds and rooting of cuttings prior to plugging into the larger Gro-Blocks. A-OK Starter Plugs™ come labeled with instructions in a shrink-wrapped sheet that fits a standard 10 x 20 tray (flat). Note: Item #713020 is suppl

Grodan Grodan Expert Slab 36x6x3 single

Grodan Grodan Macro Plugs Single Pack of 35

Grodan Grodan Delta 8 4x4x3 in 42/40 single

Grodan Grodan Delta 5.6 3x3x4 in 42/40 single

Grodan Grodan Classic Slab 36x12x3 single

Mini-Blocks™ sit in a tray (flat) without support for easy starting of seeds and cuttings. These Mini-Blocks™ are individually wrapped in white plastic to minimize algae growth. Remove wrapping and transplant into any loose media such as Grow-Cubes™ or co

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-Blocks™. Holes are perfect size for any 1.5 in starter plug. Come in packs labeled with instructions. Big Mama