Grodan Gro-Block Improved GR32 Ducting The plant regulates it's needs

The plant regulates it's needs of nutrients itself

An international power supply

High-quality raw materials provide optimum conditions to strengthen and bulk floral structures

Very low heat dissipation and very low weight

For use with Gavita fixtures only

Grodan Gro-Block Improved GR32 Ducting The plant regulates it's needsGrodan Gro Block Improved Grodan Gro Block Improved GR32, 6x6x6, Hugo (box of 64) Gro Block Improved Hugo (6x6x6) w Hole New Grodan Improved! Improved product at current pricing. New density + new hydrophilic technology = better water distribution and root development. The uniform distribution of water and nutrients throughout the block allows for more efficient use of the entire substrate volume Full saturation of the blocks with no dry spots and