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and 20 GPH (BLUE)
Vibration-free operation
greenhouse and commercial grow applications
The high efficiency S4 spectrum provides ideal conditions for both human and plant health to deliver better working conditions and consistent crop quality
Grodan Gro Block Improved Small 4"GR6,5 w/ hole 4"x4"2.6" Strip STACK!T and 20 GPH (BLUE)Product Details Grodan ImprovedGro Block Improved GR6. 5 Small 4" w Hole, 4" x 4" x 2. 6" 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 irrigation strategies for specialty crops. The result of months of scientific research and trials is Grodan Gro Blocks Improved with Grodans Advanced Wetting Agent. These leading
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