Cultilene Rockwool Blocks have an optimum air-to-water ratio for healthy root growth and allow for great continued rooting thanks to the extremely even distribution of water and EC.
These blocks have an excellent water absorption and saturation rate and feature the exclusive Plant Comfort fiber structure which has a lower density of resistance during rooting with no loss of firmness.
Cultilene Rockwool Round Macro Plugs are packaged loose in a plastic bag and are sold by the case. There are 2,430 plugs per case.