Grodan Gro Block Improved GR6.5 Small 4" w/Hole, 4" x 4" x 2.6" Strip - Case of 216 bio-organic fertilizer fit the Circulator into the

fit the Circulator into the center holes

legumes and many more

The necessary screws are also included

Tubing Material: Peristaltic Pumps Norprene

Twister T4 Plunger Replacement Kit

Grodan Gro Block Improved GR6.5 Small 4" w/Hole, 4" x 4" x 2.6" Strip - Case of 216 bio-organic fertilizer fit the Circulator into theGrodan 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