Grodan Improved Gro-Block Jumbo 6" x 6" x 4" Case of 64 micro-nutrients MAKES CLONING SIMPLE – Simply

MAKES CLONING SIMPLE – Simply moisten rooting cubes (or fill a cloner) with only water pH balanced to 6

spray every 3-5 days

Starting Watts: 4500w

hero-overlay { position: relative

Grodan Improved Gro-Block Jumbo 6" x 6" x 4" Case of 64 micro-nutrients MAKES CLONING SIMPLE – SimplyDescription Product Details: Grodan Improved Jumbo (White Foil) 6" x 6" x 4" (Case of 64) Grodan Improved Jumbo (White Foil) 6" x 6" x 4" (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