Grodan Gro-Block Improved GR7.5, 4" x 4" x 3" (Case of 192) ventilation 3% of manganese

3% of manganese

05% Chelated Manganese (Mn)

The Daystar uses the highest purity and efficiency European aluminum and was designed by the finest reflector engineers in the country

Root Riot cubes maintain consistent moisture and an even dry out

spore cysts

Grodan Gro-Block Improved GR7.5, 4" x 4" x 3" (Case of 192) ventilation 3% of manganeseGrodan Gro Block Improved GR7. 5 Medium with Hole, 4" x 4" x 3" Case of 192 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