Sylvania Grolux 400W-growth and bloom

Sylvania Grolux lamps are high-pressure lamps that have a blue light content and are thus suitable for both vegetative phases of your plants. You can therefore use them for both the growth and flowering phases.

The Sylvania Grolux lamp provides maximum photosynthetic efficiency and sustained performance at an extremely high level, thanks to the improved structure of the outer lamp. They are optimized for the highest Phytolumens, also known as PAR light output. The Grolux light spectrum has an excellent red component, which is essential for plant growth.