Cultilene 4x4x4 Rockwool Block (144 pieces per case) commercial-lighting-fixtures BEST IN CLASS – Engineered

BEST IN CLASS – Engineered design delivers optimum light efficiency

It only takes about three pounds of Sticky Icky per acre over the entire growing season to see results

Probe: Fixed

- 32" filter bed

Cultilene 4x4x4 Rockwool Block (144 pieces per case) commercial-lighting-fixtures BEST IN CLASS – EngineeredCultilene 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