Grodan Rockwool - 4x4x2.5in. Cubes, 6 pack w/holes
Price:
$9.69
Product Information (more info)
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Manufacturer Description
Rockwool is an inorganic and sterile growing medium made from spun molten rock. A superior medium for rooting cuttings, rockwool provides 20% air space when saturated, and does not contain nutrients. It is recommended that rockwool be conditioned by soaking for eight hours in a pH 5.0-5.5 and then rinsing with pH 7.0 water. Water daily.
Product Features
hydroponic growing medium
good for seedlings and cuttings
