Hydro Crunch ND911009200 400-Watt High Pressure Sodium HPS Grow Light Bulb Lamp 400W

Hydro Crunch HPS (High Pressure Sodium) Grow lights have an effective spectral distribution for your plant's flowering stage. High Pressure Sodium light helps stimulate flower and fruit production in plants more efficiently than other light sources designed for growing plants. It is best to use HPS Grow Lights for the fruiting and flowering phase of plant growth or in a 4:1 ratio of HPS to MH for best results. Hydro Crunch 400W HPS bulb: Lumen: 53,500 Lamp compatibility: Operates on 400W digital or 400W magnetic ballast Color temperature: 2,100K Base type: Mogul E39 base Color index (RA): 20 Expected life span: 28,000 hours Safety: S51 ANSISpec Application: Flowering & Fruiting