Cultilene 6x6x6 Block w/ Optidrain (48 pieces per case) Cultiwool

Cultilene Cultiwool Blocks have an optimum air/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 (re)saturation rate and feature the exclusive Plant Comfort fibre structure which has a lower density of resistance during rooting with no loss of firmness. All blocks except the 3x3x3 also have the Optiplus feature, which is a unique design on the underside of the block allowing for excess water to drain away easily. Cultiwools’ growing blocks are unique in the most efficient way. That has everything to do with the consistency of our products. Quick and easy uptake of water and the homogeneous distribution of water throughout the substrate are one of the most important features of a growing medium.Not only can you expect the highest quality stone wool in the market, but Cultiwool is also the first to introduce the ‘donut ring’ for the retail market to even