Grodan Gro Block Improved GR6.5 Small 4" w/Hole, 4" x 4" x 2.6" Strip of 6 375ml Australian Carbon Filter 4” (x1)

Australian Carbon Filter 4” (x1)

The organic acids in Yucca contribute to chelation of other nutrients

Our mash paddles are hand made from Michigan hard maple trees

Try Big Bud Liquid today if you want bigger

Grodan Gro Block Improved GR6.5 Small 4" w/Hole, 4" x 4" x 2.6" Strip of 6 375ml Australian Carbon Filter 4” (x1)Grodan Improved Gro Block Improved GR6. 5 Small 4" w Hole, 4" x 4" x 2. 6" Strip 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 Grodans Advanced Wetting Agent. These leading edge blocks have