AO Propagator Refill Cubes


Refill for Dutch Grodan SBS trays. Box of AO25 contains 6000 cubes, box of AO36 contains 2940 cubes.

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The benefits of Grodan rockwool

  • Completely sterile and inert – ideal hydroponic growing medium. Reduced risk of pests and disease
  • Even root growth – predominantly vertical fibre structure means identical levels of resistance for each root, so roots grow evenly
  • Increased root development – structure of the rockwool is designed for optimum air / water balance and accelerated rooting
  • Uniformity – quality and structure is uniform, so water content and EC (CF) will remain the same for every plant
  • Re-wetting – Grodan rockwool is easy to re-saturate if it dries out, reducing the risk of root damage
  • Nutriculture are Grodan’s master distributor in the UK