Cultilene 4x4x4 Rockwool Block (144 pieces per case) hydro-systems is the ultimate in light

is the ultimate in light mover control

This is the true tomato lover's indispensable companion

• Improves nutrient absorption rates

the Gold Series is protected from dirt and moisture found in most grow rooms

Two 1/2" elbows

Cultilene 4x4x4 Rockwool Block (144 pieces per case) hydro-systems is the ultimate in lightCultilene 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