$45.80
The advantage of an angle stake is its long neck, which holds 1/4" tubing securely...
$5.61
The perfect tool for watering Rockwool. The syringe with a needle made from 1/4" tubing...
$12.51
6"x40" tray holds 6" slabs. (elbows and end-cap not included)
$14.96
A popular do-it-yourself slab system choice. The 6"x40" tray holds 6" slabs and comes with...
$10.56
Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then...
$10.33
Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then...
$7.99
Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then...
$14.12
Grodan Gro-SmartTM Tray Your Grodan Starter plugs, Mini-BlocksTM and Gro-BlocksTM have finally found a home....
$9.33
Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then...
$14.70
Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then...
$420.17
Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then...
$155.06
BIG MAMA is the largest block ever produced by Grodan. It is 8" square and...
$16.33
Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then...
$134.59
Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then...
$242.53
Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then...
$294.76
Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then...
$294.69
Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then...
$229.45
Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then...
$257.19
Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then...
$137.51
PLEASE NOTE: THIS ITEM IS NOW 12 PER CASE. Grodan Stonewool (rockwool) is made from...
$103.15
Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then...
$133.45
Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then...
$133.45
Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then...
$1,531.30
New Grodan Improved! Improved product at current pricing. New density + new hydrophilic technology =...
$204.29
New Grodan Improved! Improved product at current pricing. New density + new hydrophilic technology =...
$3.99
New Grodan Improved! Improved product at current pricing. New density + new hydrophilic technology =...
$85.00
Granulated rockwool can be used alone or as an amendment to organic based mixes. For...
$44.81
Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then...
$2.95
This component kit for our Leach Tray helps you configure Dutch Leach Tray buckets to drain...
$11.39
These rockwool plant starting plugs feature a slit for easy insertion of rooted cuttings. Ideal...
$442.92
Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then...
$5.96
Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then...
Capital City Hydroponics is now closed.
Come visit us at CAPITAL CITY ORGANICS in Brookland, DC
11am-7pm Mon-Sat ;
11am-5pm Sundays