Phytolite
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our experience

Light Research and Development

Since 2008, Phytolite has been producing, testing and marketing LED lamps for the growth and flowering of indoor cultivated plants

Light the way plants see it

Plants receive light and transform it: they metabolise photons - which, in the case of open air cultivation, come from the sun.

Neutral substrates or hydroponics

Whether grown in soil, neutral substrates or hydroponics, tutte le all plants grown indoors require proper light radiation to promote growth and flowering.

Quadra 200

Watch the video and discover all about the brand new Phytolite product

Lights for indoor plants

Phytolite studies the light spectrum and invests in technology in order to understand which kinds of radiation best promote phytostimulation and cultivation.
The old HID (High Intensity Discharge Lamps) flowering lamps that are now used for street lighting were initially employed in the USA for indoor cultivation.

These lamps came in two models.
Sodium lamps with a reddish tint which were more suitable for flowering, and white MH lamps for the growth and vegetative phase.

Soon, these were joined by the full cycle HID agro. Red discharge lamps that also contained a portion of white/blue radiation to promote plant growth.

But the revolution in the field of lighting for indoor cultivation, whether for growth or flowering, was to come with the appearance of LED.

Phytolite took the first LEDs that came from abroad and began testing them on plants, with the intention of replacing existing lighting systems with this innovative and energy-saving technology.

The first LED lamps were poorly designed, poorly engineered and low-powered, and so they did not achieve the kind of optimum flowering produced by the earlier HID lamps.

Lamps for flowering and cultivation

While in the vegetative phase the results were barely acceptable, in the flowering phase the LED indoor cultivation lamps were totally inadequate.
They were certainly low energy consumption lamps, but unfortunately they also only emitted low quantities of the photons required for photosynthesis, and were a poor substitute for sunlight.

Therefore, Phytolite designed the first full spectrum LED lamp, which was ideal for cultivation, flowering and growth.

The system adopted the optimal wavelengths for both growth and flowering, which are now widely discussed and debated but at the time were almost unexplored territory.

Phytolite succeeded in cultivating plants indoors, using LEDs for both the growth and flowering phases.

What is the PAR spectrum?

PAR, is an acronym for photosynthetically active radiations: this concept, which is now well understood, was at the time the exclusive preserve of a few researchers.

By working with a spectrometer, a measuring instrument and above all by observing the flowering of the plants, Phytolite achieved perfection in the production of LEDs for indoor cultivation.

Chlorophyll A and B, which in plants is essential for life, is promoted by a particular part of the light radiation produced by sunlight – PAR radiation, in fact – and this part accounts for approximately 41% of the total amount of radiation emitted.

The absorption spectrum of chlorophyll, therefore, is not as broad as the spectrum of sunlight emissions.

Taking into account that with LED lamps it’s possible to adjust the light emission spectrum, in contrast to discharge lamps, lighting systems which do not allow this type of control – the idea arose of producing an LED lamp for indoor cultivation whose emission spectrum included light radiation suitable for both flowering and growth.

PAR Spectrum

wavelength (nm)

Between 590 and 700 nm, essential for an LED lamp for indoor cultivation whose purpose is to bring the plants into full bloom.

Between 560 and 590 nm, for a long time this type of radiation was thought to be of little use for chlorophyll photosynthesis, but in recent years researchers have re-evaluated its role in indoor cultivation.

Detailed information on its characteristics and functions can be found online.

from 490 to 560 nm, this kind of radiation is the least useful for indoor cultivation, and therefore can lead to wasted energy.

This kind of radiation is completely absent from the NX2 line, but in subsequent lines Phytolite has included it. The result of the absence of this radiation was a powerful and low first growth (first weeks). The plants take on a flattened appearance with very close internodes, and then stabilise and grow into more slender shapes from the fourth week onwards.

between 400 and 490 nm. Radiation for the vegetative phase.

Necessary to promote strong growth, and also influences the flowering phase of plants grown indoors under LED lamps.

Grow room e grow box Phytolite

In their grow rooms and grow boxes, Phytolite is testing brand-new LED lamps for high-intensity cultivation.

Videos and photographs of our plants are available to anyone wishing to contribute actively to the promotion of information about indoor cultivation.

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