Grodan Improved Gro-Block Jumbo 6" x 6" x 4" Case of 64 Left Coast Temperature Range: 0-80 °C/32-176 °F

Temperature Range: 0-80 °C/32-176 °F

use clean ethanol to wipe down the sealing surfaces for the next run

plus additional biodynamic preparations

as well as two auto brightness settings

making this 6” duct fan virtually silent

Grodan Improved Gro-Block Jumbo 6" x 6" x 4" Case of 64 Left Coast Temperature Range: 0-80 °C/32-176 °FDescription Product Details: Grodan Improved Jumbo (White Foil) 6" x 6" x 4" (Case of 64) Grodan Improved Jumbo (White Foil) 6" x 6" x 4" (Case of 64): Grodan Improved 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 scientific research and trials is Grodan