Growing Media
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The DRIPCAP is a patented water conservation tool & grow medium protector. It uses a new innovative ..
$2.50
A premium hydroponic growing medium. Fired-blown clay material that is sterile, lightweight that can..
$18.95
A premium hydroponic growing medium. Fired-blown clay material that is sterile, lightweight that can..
$56.95
Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then com..
$391.36
![4" Rockwool Block Cover, pack of 40](http://ri-hydroponics.com/image/cache/HGCOV4-228x228.jpg "4" Rockwool Block Cover, pack of 40")
![4" Square DripCap](http://ri-hydroponics.com/image/cache/CCDC4-228x228.jpg "4" Square DripCap")
![6" Rockwool Block Cover, pack of 40](http://ri-hydroponics.com/image/cache/HGCOV6-228x228.jpg "6" Rockwool Block Cover, pack of 40")
![6" Square Drip Cap](http://ri-hydroponics.com/image/cache/CCDC6-228x228.jpg "6" Square Drip Cap")
![8" Rockwool Block Cover, pack of 40](http://ri-hydroponics.com/image/cache/HGCOV8-228x228.jpg "8" Rockwool Block Cover, pack of 40")
![AO 25/40 10/10 Cubes, 1x1", 30 sheets of 200](http://ri-hydroponics.com/image/cache/RWAO2540-228x228.jpg "AO 25/40 10/10 Cubes, 1x1", 30 sheets of 200")
![AO 36/40 6/15 Cubes, 1.5x1.5", 30 sheets of 98](http://ri-hydroponics.com/image/cache/RWAO3640-228x228.jpg "AO 36/40 6/15 Cubes, 1.5x1.5", 30 sheets of 98")
![AO 50/40 6/15 Cube, 2x2", 30 sheets of 50](http://ri-hydroponics.com/image/cache/RWAO5040-228x228.jpg "AO 50/40 6/15 Cube, 2x2", 30 sheets of 50")