Grolux Sylvania 400w/600w These colour adjusted Grolux lamps offer a broader spectrum of light making it ideal lamp for both the vegetative and flowering stages A favourite among many growers, this lamp has been around for years and is still one of the...
Grolux SYLVANIA SHP-ts 600w/400v The Sylvania SHP-ts Grolux's patented arc tube delivers high photosynthetic efficiency, with performance maintained at an exceptional level due to improved structure of outer bulb. The Grolux light spectrum...