Grodan SBS 36/77 Cubes 18 Trays - 77 cubes per tray 1386/ctn 4 part This unique blend of carb

This unique blend of carb sources

This incredible product is made with silicate

Mix 1 ml/L (4 ml/Gal) of water for every watering through the flowering cycle

our beneficial bacteria continually produce enzymes that function to mobilize nutrients in the growth medium

make sure to give Rock Super Growth a go

Grodan SBS 36/77 Cubes 18 Trays - 77 cubes per tray 1386/ctn 4 part This unique blend of carbThanks to their revolutionary hydrophilic fibres, Grodan substrate slabs and blocks produced using this technology offer users considerable advantages over other propagation substrates. Tried and proven to be the best propagation substrate available. To prepare an entire tray of Rockwool cubes, prepare 3 4L of solution with Bloom Roots and pH down in a larger tray, and put the Rockwool tray into the solution. Leave it to soak one hour in the solution,