Cultilene 4x4x4 Rockwool Block (144 pieces per case) ph-ec-tds-meters-and-solutions A larger hole can also

A larger hole can also be cut in the cover to act as a port for adding nutrients

Waterproof and extremely insulating

C Hydroponic Nutrients bring a balance of nutrients in proper form

making a more pungent

000 Watt DE HPS Lamp

Cultilene 4x4x4 Rockwool Block (144 pieces per case) ph-ec-tds-meters-and-solutions A larger hole can alsoCultilene 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