Hydroponics 3" Wrapped Cube 8 pack (Small Hole)
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.
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