Grodan Gro-Block Improved GR40 (8x8x4) Uni-Block Quantity:Case of 36 and then transition to Cultivation

and then transition to Cultivation Nation Bloom Fertilizer at the first sign of bud development through harvest

If connecting to the Gavita EL1 or 2 controller purchase of HGC906717 or HGC906716 is required

Septoglomus desertícola to enhance uptake of plant nutrients

Providing the ultimate in flexibility for the most challenging space restrictions and specialized applications

The pH600 delivers fast and accurate results right to the easy-to-read LCD screen

Grodan Gro-Block Improved GR40 (8x8x4) Uni-Block Quantity:Case of 36 and then transition to CultivationGrodan Improved GR40 8"x8"x4" Uni Blocks optimized wool structure allows for faster rooting in and nutrient solution replenishment. New and improved wetting agent and hydrophilic technology greatly enhances the water characteristics giving even better water distribution over the height of the block. This results in greater plant development and steerability and more efficient use of water and nutrients. All while the Gro Block Improved maintains its