315W CMH Grow Light Fixture Kit by Prolux phosphorous Because the block is solid

Because the block is solid you do not need to worry about knocking it over

Prevents Over-Fertilization: Cuttings and seedlings have different needs than established plants

helps plants use water and resist drought and enhances fruits and vegetables

Requires mogul socket (E39 base) to operate

When your growing solution becomes too acidic or too alkaline

315W CMH Grow Light Fixture Kit by Prolux phosphorous Because the block is solid315W CMH Grow Light Fixture Kit Full Spectrum Ceramic Metal Halide Technology Experience the most sun like spectrum available in HID lighting. This complete 315W Ceramic Metal Halide (CMH CDM) fixture delivers exceptional full spectrum output with up to 40% energy savings compared to traditional 500 600W HPS MH systems. Ideal for veg cycles, SOG applications, or supplemental flowering light in commercial operations. Why Choose CMH Technology? Superior