Grodan Gro-Block Improved GR10 Large with Hole, 4" x 4" x 4" (Case of 144) leds Maximum Height: 7

Maximum Height: 7

providing a solution for virtually any growing system and required substrate volume per crop

Comprehensive Product Description: This high-end exhaust fan delivers efficient cooling and ventilation to various clusters including greenhouses

Eliminates micronutrient-destroying chlorine and chloramines from water thereby allowing the microbiology of the soil to convert minerals into nourishment for plants

non-slip handle

Grodan Gro-Block Improved GR10 Large with Hole, 4" x 4" x 4" (Case of 144) leds Maximum Height: 7Grodan Gro Block Improved GR10 Large with Hole, 4" x 4" x 4" Case of 144 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 substrate