Super High Pressure Sodium (HPS) lamp is the classic and most popular choice for flowing romms. High pressure sodium lamps can be used through the vegetative and flowering stages, but the yellow spectral output makes them optimal for flowering.
Features: Enhanced green and blue for more natural growth
Ultra high output:210 umol/s
Peaks in the Far-red range to stimulate metabolic activity in flowering
Long useable life:90% at 10,000 hours
