Sylvania Grolux 400W produces 58.000 lumens. Tubular, clear high pressure sodium lamps with improved characteristics and performance, especially developed for supplementary lighting in greenhouses.
FEATURES:
- Extreme high light output
- Improved quality of light: Increased red and blue light output
- 10% higher photosynthesis flux when compared to SHP Super
- High PAR radiation
When to replace
Light loss is directly proportional to yield loss. Every 1% of light lost costs you 1% of your overall yield – that’s huge!
To keep your yield consistent and high, replace your Grolux lamp every 4 – 6 months.