Osram Plantastar HPS Bulb 250W,400W,600W, Hydroponics Grow Lights
This Dual spectrum HPS Bulb from Osram is suitable for horticulture lighting and is perfect for the flowering stage as it has a 20% increased blue spectrum which is needed near the end off the flowering cycle.
Specially matched to the absorption spectrum for photosynthesis For faster, healthier plant growth
Extremely constant photon flux
Very high luminous efficacy of up to 145 lm/W
Robust shockproof lamp design with elastic support for the burner
High-quality corrosion-resistant base,ideal for use in moist surroundings/
Osram Plantastar Sodium Bulbs will fit any reflector with an E40 lamp holder and requires a matching wattage ballast to run safely and efficiently.
We recommend replacing your HPS bulbs after 2 – 3 grows to ensure sufficient light for better yields