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    • Grodan Expert Slab 20/75 8 in x 3 in x 36 in

      Grodan Expert Slab 20/75 8 in x 3 in x 36 in

      Gro-Slabs™ provide the final stage for growing a spectacularly large plant. Transplant your Gro-Block™ plant onto a slab just like professional growers. They come in clearly marked biodegradable UV-resistant sleeves for comfortable handling and algae...

      $163.55 $108.30
    • Grodan Expert Slab 15/75 6 in x 3 in x 36 in

      Grodan Expert Slab 15/75 6 in x 3 in x 36 in

      Gro-Slabs™ provide the final stage for growing a spectacularly large plant. Transplant your Gro-Block™ plant onto a slab just like professional growers. They come in clearly marked biodegradable UV-resistant sleeves for comfortable handling and algae...

      $126.35 $83.71
    • Gro Block Improved Mini Block 2" (Shrinkwrap/Strip)

      Gro Block Improved Mini Block 2" (Shrinkwrap/Strip)

      Grodan ImprovedGro Block Improved Mini Block 2" Shrink wrapped/StripGrodan 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...

      $470.22 $465.74
    • Grodan GR40 Uniblock 8”x8”x4” Baby Mama, case of 36

      Grodan GR40 Uniblock 8”x8”x4” Baby Mama, case of 36

      Grodan ImprovedUniblock GR40, 8" x 8" x 4"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...

      $191.65 $173.51
    • Gro Block Improved Medium 4"GR7,5 w/ hole 4"x4"3.1" Shrink/S

      Gro Block Improved Medium 4"GR7,5 w/ hole 4"x4"3.1" Shrink/S

      Grodan ImprovedGro Block Improved GR7.5 Medium 4" w/Hole 4" x 4" x 3.1" Shrink wrapped/StripGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone...

      $294.10 $284.18
    • Gro Block Improved Large 3"GR5,6 w/ hole 3"x3"x4" Shrink/Str

      Gro Block Improved Large 3"GR5,6 w/ hole 3"x3"x4" Shrink/Str

      Grodan ImprovedGro Block Improved GR5.6 Large 3" w/Hole 3" x 3" x 4" Shrink wrapped/StripGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool...

      $306.71 $296.36

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