Grodan Rockwool Delta 4 Block, 3"x3"x2.5" – Dutchman's Hydroponics & Garden Supply
Grodan IMPROVED Gro-Blocks 6"X6"X4" JUMBO - Indoor Farmer
Grodan Improved Gro-Blocks
Grodan Rockwool 1.5 Inch Cubes (45 Pack) | Bustan Hydroponics Grow Lights Grow Tents Organic Fertilizers Inline Fans and Filters
Grodan 4" Rockwool Cubes - Bob's Grow Mart
Grodan Rockwool Cubes 4 x 4 x 2.5 - Jons Plant Factory
Grodan
Blocks and Slabs
Rockwool Cubes, Slabs & Blocks by Grodan | Planet Natural
Grodan IMPROVED Gro-Blocks 4"X4"X4" (GR10) - Indoor Farmer
Grodan Plantop
Grodan Gro-Blocks Improved 3'' x 3" x 2" - Qué-Pousse
Grodan Delta NG2.0
Grodan Big Mama 8"x8"x8" - Jons Plant Factory
GRODAN A OK Rockwool Stonewool Hydroponic Grow Media Starter Cubes Plugs - 1" x 1" - 2 Sheets of 100 (200 Plugs Total) : Amazon.ca: Patio, Lawn & Garden
Grodan® Stonewool Gro-Blocks™ Delta 6.5 Block 4″ 216/Case - Pacific Northwest Garden Supply Ltd
Grodan Grow Cubes - Jons Plant Factory
Grodan Delta 8 - 4" Block 4"x4"x3" w/Hole 30/cs | The Grow Depot
Grodan IMPROVED Gro-Blocks 8"X8"X8" Big Mama - Indoor Farmer
Grodan Rockwool 1.5" x 1.5" x 1.5" Mini Blocks Grow Media Stonewool Cube Propagation W/ THCity Lightning Gloves- Quantity 45 : Amazon.ca: Patio, Lawn & Garden
Grodan Delta 5.6 - 3 in Block 3"x3"x4" w/Hole 32/cs | The Grow Depot
Grodan Improved Gro-Blocks
Rockwool 1.5" Mini Block (New/Improved) – Hydro-Lite Hydroponics
Grodan IMPROVED Gro-Blocks 4"X4"X4" (GR10) - Indoor Farmer
GRODAN GRO-BLOCKS Hugo 6" – Grow It All
The Kore Garden - Grodan Grow-Blocks Delta 4"x4"x2.5" with hole (6 pieces per flat)
Grodan - Rockwool 1.5 Inch Starter Mini-Blocks – IncrediGrow Garden Centre
