High Pressure Sodium Lamps can be used through the vegetative and flowering stages, but the red spectral output makes them optimal for flowering.

• Developed to provide optimum spectral energy for indoor horticulture
• Optimised Spectrum
• Promotes vigorous and healthy growth
• Reliable operation throughout the growth cycle
• Enhanced green and blue for more natural growth
• Ultra high output
• Long life : 90% at 10,000 hours
• Peaks in the red spectrum to stimulate metabolic activity in flowering