VENTURE® M400/U/DAY 5200 K 92CRI 400 WATT MH ED-37 Enhanced Performance MH Lamps
Which lamp is best for your growing needs?METAL HALIDE LAMPS - This type of light is blue-orientated in the spectrum. It is the best type of light to be used as a primary light source (if no or little natural sunlight is available). This type of lamp promotes plant growth.HIGH PRESSURE SODIUM LAMPS - These lamps are red/orange in the s... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA. Note: the WA warehouse is moving in Jul & Aug, some orders may be delayed 1-2 days....more info.