Grodan Gro Block Improved GR6.5 Small 4" w/Hole, 4" x 4" x 2.6" Strip - Case of 216 spl_allstate Controls up to 25W of

Controls up to 25W of AC Infinity AIRPLATE

At 1/4" OD

5 amps/120 volts

Package Dimensions:                156mm(L) x 83mm(W) x 30mm(H)

413 µS/cm conductivity standard that is prepared against a NIST traceable potassium chloride solution

Grodan Gro Block Improved GR6.5 Small 4" w/Hole, 4" x 4" x 2.6" Strip - Case of 216 spl_allstate Controls up to 25W ofGrodan 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