Cultilene (Cultiwool) 4x4x4 Rockwool Block (144 pieces per case) lighting_accessories The special alloy steel is

The special alloy steel is heat treated and tempered to produce an edge that stays sharp longer

maintains soil structure

Strong wire frames

have powerful internal drive motors

Cultilene (Cultiwool) 4x4x4 Rockwool Block (144 pieces per case) lighting_accessories The special alloy steel isCultilene 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