Grodan Gro-Block Improved GR5.6 Large with Hole, 3" x 3" x 4" (Case of 256) X Nutrients Grow Spray 1 Gal 03% Ammoniacal Nitrogen

03% Ammoniacal Nitrogen

waxed cardboard

Product Model: AC-CAR32

and properly insulated

Grodan Gro-Block Improved GR5.6 Large with Hole, 3" x 3" x 4" (Case of 256) X Nutrients Grow Spray 1 Gal 03% Ammoniacal NitrogenGrodan Gro Block Improved GR5. 6 Large with Hole, 3" x 3" x 4" (Case of 256) New and improved stone wool substrate with advanced wetting technology from Grodan Introducing Grodan Gro Blocks Improved, a product specifically engineered to deliver real results for your crops, developed by plant scientists, researchers, and top growers. The uniform distribution of water and nutrients throughout the block allows for more efficient use of the entire