Grow Block 6 inchx6 inchx4 inch EcoPlus 7 µmol/J: Strong canopy penetration

7 µmol/J: Strong canopy penetration over a uniform 4′ x 4′ footprint at 630W draw

which are essential for preventing nutrient lockout

2000K Deep Red Bloom Spectrum: Concentrates energy in the red and far-red wavelengths that drive flower initiation

Fits ducting of both sizes of 8" and 6"

Confirm your ballast and fixture are rated for a CMH lamp of this wattage

Grow Block 6 inchx6 inchx4 inch EcoPlus 7 µmol/J: Strong canopy penetrationLearn more about STG by watching their instructional videos at STG Grow Block 6L x 6 W x 4D, 1 cut out Recommended for long term crops such as tomatoes and cucumbers or plants which require a larger volume of media for growth. Special Features: 1 Rectangular cut out for insertion of STG Grow Cubes. Plastic sleeve which blocks algae, prevents heat build up and reduces evaporation. Plants can be started in STG Grow Cubes and transplanted to STG Grow