Grodan Improved Gro-Block, Hugo 6" x 6" x 5.8", Case of 64 micro-nutrients and the convenient carrying handles

and the convenient carrying handles allow for easy transportation

Producing more UV than competition

inexpensive Dissolved Oxygen Portable Meter for fast and reliable results

Perfect for 3' x 5' (90cmx150cm)' Veg stage

MERV 10 Plus Carbon air filters are comparable to air filters with the MPR rating of 1200-1500

Grodan Improved Gro-Block, Hugo 6" x 6" x 5.8", Case of 64 micro-nutrients and the convenient carrying handlesGrodan Improved Hugo (White Foil) 6 x 6 x 5. 8 (Case of 64) Grodan Improved 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 specialty crops. The result of months of scientific research and trials is Grodan Gro Blocks Improved with our Advanced Wetting Agent. These leading edge blocks have the