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Rockwool

Grodan IMPROVED Gro Blocks 6X6X4 JUMBO - Hydroponic Grow Cubes for Seed Starting & Plant Propagation - Perfect for Indoor Gardening, Greenhouses, and Commercial Grow Operations -45% Off
Grodan IMPROVED Gro Blocks 6X6X4 JUMBO - Hydroponic Grow Cubes for Seed Starting & Plant Propagation - Perfect for Indoor Gardening, Greenhouses, and Commercial Grow Operations
$2.17 $3.95
Grodan IMPROVED Gro Blocks 6x6x6 HUGO (GR32) - Hydroponic Growing Cubes for Indoor Plants, Seed Starting, and Greenhouse Gardening -45% Off
Grodan IMPROVED Gro Blocks 6x6x6 HUGO (GR32) - Hydroponic Growing Cubes for Indoor Plants, Seed Starting, and Greenhouse Gardening
$3.27 $5.95
Grodan IMPROVED Gro Blocks 4X4X4 (GR10) - Hydroponic Growing Cubes for Indoor Gardening & Seed Starting - Perfect for Hydroponics, Greenhouses, and Home Growers -45% Off
Grodan IMPROVED Gro Blocks 4X4X4 (GR10) - Hydroponic Growing Cubes for Indoor Gardening & Seed Starting - Perfect for Hydroponics, Greenhouses, and Home Growers
$8.77 $15.95
Grodan IMPROVED Gro Blocks 8X8X4 Uni Block (GR40) - Hydroponic Growing Medium for Indoor Plants, Vegetables & Herbs - Perfect for Greenhouses, Grow Tents & Home Gardening -45% Off
Grodan IMPROVED Gro Blocks 8X8X4 Uni Block (GR40) - Hydroponic Growing Medium for Indoor Plants, Vegetables & Herbs - Perfect for Greenhouses, Grow Tents & Home Gardening
$131.97 $239.95
Grodan IMPROVED Gro Blocks 4X4X2.5 (GR6,5) - Hydroponic Grow Cubes for Seed Starting & Plant Propagation - Perfect for Indoor Gardening, Greenhouses, and Hydroponic Systems -45% Off
Grodan IMPROVED Gro Blocks 4X4X2.5 (GR6,5) - Hydroponic Grow Cubes for Seed Starting & Plant Propagation - Perfect for Indoor Gardening, Greenhouses, and Hydroponic Systems
$4.37 $7.95
Grodan IMPROVED Uni Slab 9.4X7.6X3.9 Inch (with 4X4 Hole) - Hydroponic Grow Medium for Indoor Gardening, Greenhouses & Commercial Farming -45% Off
Grodan IMPROVED Uni Slab 9.4X7.6X3.9 Inch (with 4X4 Hole) - Hydroponic Grow Medium for Indoor Gardening, Greenhouses & Commercial Farming
$71.47 $129.95