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Sylvania Grolux Dual Light Bulb
€27.75
€37.00
25%
5/5
(12 Ratings)
Sylvania Grolux bulbs allow you to grow your cannabis plants from start to finish, during both the growth and the flowering periods.
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Description
Sylvania Grolux Dual Light Bulb for Indoor Grows
This bulb allows you to grow your plants during their entire cycle using just one bulb. It’s perfect for the growth and flowering periods, and you won’t need to switch your bulb out halfway through or every time you switch period.
These bulbs are for those that don’t want to get into anything too complicated or for those that don’t necessarily have the budget for two bulbs, although we always recommend using a growth specific light, CMH if possible, and a flowering bulb, such as the Philips SON-T PIA Plus Flowering Bulb.
Combine this bulb with a dimmable ballast
You’ll need a ballast in order to get electricity to your bulb, and it’ll need to be the same wattage as the bulb or it won’t work properly. If you want, you can get an adjustable electronic ballast that allows you to adjust the amount of power fed into your bulb – you can use it for both models.
These High Pressure Sodium bulbs produce a light yellow color that your plants can easily absorb during every stage. During the growth period, they’ll grow out a bit slimmer and taller than with a CMH light, but once you flip the lights your plants will begin flowering as healthy as ever.
Available in 400w and 600w.
Sylvania Grolux Dual Light Bulb specifications:
- Light efficiency: 149
- PPF photosynthetic light: 1100
- Visible light (lm): 90000
- Service life (h): 26000
- Dual spectrum (Growth/flowering)
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16/02/2025
This bulb is among the best on the market in Europe and the world, definitely one of the best options for indoor growing 400W dual spectrum
Translated from Spanish
Esta bombilla es de lo mejor del mercado en europa y el mundo sin duda una de las mejores opciones para el cultivo de interior 400W mixta
25/05/2021
Matches the description perfectly. An excellent result.
Translated from Spanish
Perfecta en su descripción. Un resultado excelente.
23/12/2020
Top-notch quality
Translated from Spanish
Calidad buenísima
15/12/2020
Lamps for the whole cycle, I tried the 400w ones and they were great, with these surely even better Thanks
Translated from Spanish
Lámparas para todo el ciclo, probé las de 400w y muy bien, con estas seguro que mejor
Gracias
24/11/2020
Record time receiving it, overnight, plus the freebies included are always appreciated.
Translated from Spanish
Tiempo record en recibirlo, de un día para otro, además siempre es de agradecer los detalles que incluyen.
24/11/2020
Spectacular yield with value for money
Translated from Spanish
Espectacular el rendimiento con calidad precio
23/11/2020
I see the lifespan is 26,000 hours, I usually change them every 2 seasons... What do you think?
Translated from Spanish
Veo el tiempo de uso son 26000 horas, yo normalmente cada 2 temporadas las cambio...
Que os parece?
12/09/2020
Price quality, an excellent light...ah!buy it....
Translated from Spanish
Calidad precio,una luz excelente...ah!comprar....
03/09/2020
These bulbs workk very well
Translated from Spanish
Vann muy bien estas bombillas
19/08/2020
First time using this brand of bulbs. So far along with the electronic ballast the plants are doing great
Translated from Spanish
Primera vez que uso esta marca de bombillas. De momento junto con el balastro electrónico van de maravilla las plantas
02/07/2020
Very good
Translated from French
Très bien
02/07/2020
Great price delivery was very fast and in one piece
Translated from Spanish
Gran precio la entrega fue muy rápido y de una pieza