Grodan Rockwool 1.5" x 1.5" x 1.5" - 45 Cube Strip MM 40/40 6/15 Block

MM 40/40 6/15 Block, 1.5"x1.5"x1.5", 15 per strip, 3 strips per pack 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...

GROW!T Clay Pebbles 40L 4mm-16mm

GROW!T horticultural clay pebbles are made from 100% natural clay. They are clean, pH stable, and offer great aeration and drainage in hydroponics, especially in flood and drain, deep water culture, and drip feed systems. Due to their unique...

Grodan Rockwool 4x4 w/ Hole

Known for its quality, consistency and ease of use, high-performance Grodan stonewool is used by hydroponics gardeners the world over. Seeds or cuttings are started in these larger Grodan Gro-Blocks and, once rooted, the blocks are...

Grodan Rockwool 3 x 3 w/ Hole

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.

Hydroton Original Expanded Clay 50 Liter

The original Hydroton® brand expanded clay is a unique, lightweight expanded clay aggregate made in Germany. This natural clay is mined, formed into pellets, then kiln fired at high temperatures to cause the clay to expand into tough, lightweight...

Hydroton Original Expanded Clay 10 Liter

Strong pebble structure doesn't crush Color packaging 8-16mm pebble size range Measures 16-4/5-inch length by 12-2/3-inch width by 3-2/7-inch height Hydroton grow rocks Strong pebble structure doesn't crush Records high and low points for both...

Grodan Rockwool 3 x 3 no Hole

VidaWool Rockwool Block 190 with Hole, 6 Inch x 6 Inch x 5.3 Inch, Case of 48

Producing consistent, high-yielding harvests, grow after grow, is the essence of a successful growing operation. With consistency, precision and repeatability in mind, VidaWool™ brings more than a half-century of mineral wool and rock...

VidaWool Rockwool Block 64 with Hole, 4 Inch x 4 Inch x 4 Inch, Case of 144

Producing consistent, high-yielding harvests, grow after grow, is the essence of a successful growing operation. With consistency, precision and repeatability in mind, VidaWool™ brings more than a half-century of mineral wool...

Grodan Rockwool 4x4x3 w/ Hole

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.

VidaWool Rockwool Slab Wide 36 inch x 8 inch x 3 inch, Bundle of 12

Producing consistent, high-yielding harvests, grow after grow, is the essence of a successful growing operation. With consistency, precision and repeatability in mind, VidaWool™ brings more than a half-century of mineral wool and rock...

VidaWool Rockwool Block 40 with Hole, 4 Inch x 4 Inch x 2.5 Inch, Case of 216

VidaWool Rockwool Plug 1.5 inch x 1.5 inch x 1.5 inch, Case of 2000

VidaWool Rockwool Plug 1.5 inch x 1.5 inch x 1.5 inch, Case of 2000 Producing consistent, high-yielding harvests, grow after grow, is the essence of a successful growing operation. With consistency, precision and repeatability in...

VidaWool Rockwool Slab 36 inch x 6 inch x 3 inch, Bundle of 16

VidaWool Rockwool Slab 9.5 inch x 8 inch x 4 inch, Bundle of 18