Growing Media

Grodan Grodan IMPROVED GR7.5 4 in x 4 in x 3.1 in

Grodan Grodan Big Mama 8 in x 8 in x 8 in

GEOLITE clay pebbles serve as a strong, durable and versatile media, perfect for hydroponics and many horticultural applications. Made from 100% natural Italian clay, this media is industrially produced at extremely high temperatures (2200°F/1200°C) and s

Use as a decorative top dressing on indoor containers Use for a more refined look on house plants Helps retain moisture when used as a mulch

GEOLITE clay pebbles serve as a strong, durable and versatile media, perfect for hydroponics and many horticultural applications. Made from 100% natural Italian clay, this media is industrially produced at extremely high temperatures (2200°F/1200°C) and s

Grodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and irrigation strategies for specialty crops. The result of months of scientifi

Grodan Grodan Delta 5.6 3 in x 3 in x 4 in

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 all sizes from one batch of wool, Grodan is unique by making different t

Grodan Improved Gro-Slabs and Uni-Slabs offer a wide control range to steer your crop using irrigation strategies. Featuring the Advanced Wetting Agent, Gro-Slabs offer more uniform WC and EC distribution throughout each slab and from slab to slab. Fast r

Grodan Grodan IMPROVED Gro-Slab 6 in x 3 in x 36 in

Grodan Grodan A-OK 1.5" Starter Plug Sheet of 98

Grodan Grodan A-OK 2" Starter Plug Sheet of 50

Grodan Grodan Rockwool IMPROVED Mini-Block 2"

Grodan Grodan Rockwool IMPROVED Mini-Block 1.5"

Grodan Improved Gro-Slabs and Uni-Slabs offer a wide control range to steer your crop using irrigation strategies. Featuring the Advanced Wetting Agent, Gro-Slabs offer more uniform WC and EC distribution throughout each slab and from slab to slab. Fast r

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 all sizes from one batch of wool, Grodan is unique by making different t

Hydrofarm 6 in. Rockwool Block Cover