Provides an Excellent Cost to Performance Ratio
 
The Sylvania Grolux 600w is a tried-and-tested, world-renowned lamp that's been delivering the goods for years and years. They're the perfect choice for those who are looking for lamps that deliver great yields without breaking the bank.
 
How the Grolux 600w Lamp Works
 
The Sylvania Grolux 600w HPS lamp is a dual-spectrum lamp with a high 90,000 lumens output. The Sylvania Grolux produces light mostly in the orange/red part of the spectrum for excellent flowering but also produces some blue to make it also usable the vegetative growth stage.