GRODAN GRO-BLOCK IMPROVED UNI-BLOCK 8X8X4″ NO HOLE Monitor It also delivers silicon to

It also delivers silicon to flower cells

and manages both temperature regulation and supplemental dehumidification

Featuring NSF61 listed Greencarbon

Increases leaf size and chlorophyll density

It can be linked to either low or the high level CO2 sensors

GRODAN GRO-BLOCK IMPROVED UNI-BLOCK 8X8X4″ NO HOLE Monitor It also delivers silicon toGrodan partnered with the Wageningen University and Research Facility and top growers from all over North America to determine the optimal stone wool substrate and irrigation strategies for indoor and greenhouse specialty crops. The result of this scientific rigour is Grodan Gro Blocks Improved with our Advanced Wetting Agent. These leading edge blocks have the optimal fibre structure and physical properties for crop uniformity, more even Water