Grodan Gro Block Improved GR4 Small 3" w/Hole 3" x 3" x 2.6" Strip- Unwrapped (Case of 48 Sleeves) Voodoo Juice Each of the variables (Temperature

Each of the variables (Temperature

Soft Rock Phosphate

The optional MBS-PAR light sensor can be added to the system

Ultimate PK is specially designed to act as a hardener

In a controlled garden environment

Grodan Gro Block Improved GR4 Small 3" w/Hole 3" x 3" x 2.6" Strip- Unwrapped (Case of 48 Sleeves) Voodoo Juice Each of the variables (TemperatureGrodan 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