Grodan Gro-Block Improved Medium 4" GR7,5 w/ hole (4x4x3") (WRAPPED 6/strip 32 strips per case = 192 blocks per case) Canna Cribs Homegrown Shipping is restricted to freight

Shipping is restricted to freight only

wetting the media surface while minimizing overspray and runoff

Passive Cooling: Fanless aluminum housing eliminates fan noise and a common failure mode in rack farms

Active Ingredients

The Hydro-Logic Stealth RO 300 produces 300 GPD of ultra pure water

Grodan Gro-Block Improved Medium 4" GR7,5 w/ hole (4x4x3") (WRAPPED 6/strip 32 strips per case = 192 blocks per case) Canna Cribs Homegrown Shipping is restricted to freightGrodan Gro Block Improved Medium 4" GR7,5 w hole (4x4x3") (WRAPPED 6 strip 32 strips per case = 192 blocks per case) Introducing the Grodan Gro Block Improved Medium 4" GR7,5 a breakthrough in horticultural substrate design. This state of the art block is meticulously engineered, keeping the evolving needs of modern growers in mind. State of the art Density & Hydrophilic Technology: The Grodan Medium 4" GR7,5 is the embodiment of sophisticated design