Grodan Gro Block Improved GR10 Large 4" w/Hole 4" x 4" x 4" Strip - Unwrapped (Case of 144 Blocks) 11 Inch x 24 Inch featuring Unique Dry Core™ moisture

featuring Unique Dry Core™ moisture management technology

Chemists at Aurora Innovations created this blend of amino acids after extensive

500 gallons of purified water

guaranteeing the best taste and the highest yields

increases yields

Grodan Gro Block Improved GR10 Large 4" w/Hole 4" x 4" x 4" Strip - Unwrapped (Case of 144 Blocks) 11 Inch x 24 Inch featuring Unique Dry Core™ moistureGrodan 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 edge blocks have the optimal fiber structure and physical properties for crop uniformity, more