Grodan Rockwool Rooting Cubes - Tray 77, Delta Blocks 3" & 4" Seeds & Cuttings

Grodan - SBS cubes Tray 77, Delta Blocks 3" & 4" - Rockwool Cubes to Hydroponics. Grodan - SBS cubes Tray 77, Delta Blocks 3" & 4" - Rock-wool Cubes Hydroponics. The bases of the Grodan Cubes are grooved to promote drainage and to avoid "wet feet".

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