The high pressure sodium lights from Sylvania are the ideal choice. It’s reliable and long-lasting lamps. Sylvania is a subsidiary of Osram and has certainly made a name for itself in the world of grow lights.
The lamps in the Sylvania Grolux series emit a large proportion of their light in the red spectrum (approx. 2050°K) and are therefore best suited for the flowering phase of most harvest crops and ornamental plants.
The manufacturer states that the lamps have an average lifetime of 30,000 hours in operation, which makes the Sylvania Grolux lamps not just good value, but also relatively long-lasting.
Special features of the Sylvania GROLUX Super 400W:
- good lamp for the flowering phase thanks to its high red proportion
- very well-suited for profit gardening
- luminous flux output of 132 lumens/watt
- average lifetime of 30,000 hrs.
Note: To operate this lamp, a ballast with suitable performance values (400W) is required, as well as an E40 bulb holder.
Tip: Never touch the glass parts of lamps with bare hands! The skin’s oils can reduce the lifetime and luminosity of the lamp.