Grodan Gro Block Improved Mini Block 2" Strip -Shrink Wrapped (Case of 60 Sleeves) HID This body material is suitable

This body material is suitable for a wide range of applications and excels in measurements with portable meters due to its durability

For control of foliage feeding worms (caterpillars)

chemical- and heat-resistant

The fans are very tough and will easily handle even the harshest grow room environments

Increases mass and stimulates resinous oil and fragrance production in many culinary and medicinal herbs

Grodan Gro Block Improved Mini Block 2" Strip -Shrink Wrapped (Case of 60 Sleeves) HID This body material is suitableGrodan 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