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Sylvania Grolux 400W HPS - Dual Spectrum (Growth and Bloom)
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Sylvania Grolux 400 w dual Lamp - Growth and flowering phases
High quality high pressure sodium lamp, 400 Watt/58,000 lumens, with extra blue and 20% more red tones than other conventional lamps.
Sylvania Grolux 400 w - Dual is ideal for abundant flowering. It may also be suitable for plant growth (vegetative phase), but not for mother plants and cuttings.
The colour spectrum of these lamps is primarily red with orange and yellow tones, which produces certain effects on plants such as more production of bud spots, bigger flowers...