Grodan SBS 36/77 Cubes 18 Trays - 77 cubes per tray 1386/ctn varo__HJ-1542 Always use a sterile growing

Always use a sterile growing medium

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desks or shelves

Produce your own plants rapidly

Ideal for all propagation methods

Grodan SBS 36/77 Cubes 18 Trays - 77 cubes per tray 1386/ctn varo__HJ-1542 Always use a sterile growingThanks 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,