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 Common Culture Soft Mesh Nylon

Common Culture Soft Mesh Nylon Trellis Netting Features: 3

Shipping is restricted to freight only

RO membrane protection: Removes free chlorine that degrades TFC membranes over time

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

Work out the residual air left in the sealed package

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 Common Culture Soft Mesh NylonGrodan 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