Grodan Gro-Block Improved GR32, 6x6x6, Hugo loose on pallet (512) commercial-greenhouse-fixtures and #8 Perlite (3/4"-1 1/3"

and #8 Perlite (3/4"-1 1/3" granules)

Power source: 3 x 1

Humboldt Nutrients employs the foremost experts in horticultural enzymes to formulate Prozyme into a highly diverse blend of enzymatic compounds

Bacillus amyloliquefacians

3x QB288 V2 R spec

Grodan Gro-Block Improved GR32, 6x6x6, Hugo loose on pallet (512) commercial-greenhouse-fixtures and #8 Perlite (3/4"-1 1/3"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 improved EC control with less water is achieved in the rootzone due to the uniform, optimized wool resulting in a