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400w Grolux bulb sylvania the Grolux 400W bulb is one of the best horticultural bulbs on the market, including a spectrum with 30% more blue to obtain a 400W bulb that can be used for growing and flowering plants for indoor cultivation, greenhouses and hydroponics.
| -20% | €20.72 |
| -15% | €22.02 |
| -10% | €23.31 |
| -7.5% | €23.96 |
| -5% | €24.61 |
TheGrolux 400W bulb from Sylvania is one of the best horticultural bulbs on the market. Specially designed for growth and flowering, this HPS (High Pressure Sodium) bulb features a light spectrum enriched with 30% more blue, to optimize vegetative development and flower production in your indoor or greenhouse crops.
The bulb Sylvania Grolux 400W bulb should be used with a 400W ballast. It is particularly suitable for indoor and greenhouse growers who want to maximize their yields thanks to an optimized light spectrum.
This bulb is not guaranteed against defects in use and is not compatible with electronic ballasts. Please use a suitable ballast for optimum performance.
