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Why Professional Cannabis Farmers Are Choosing Full Spectrum Quantum Boards?

by TUBU

May 20, 2025


Driven by the wave of legalization and surging market demand, cannabis cultivation has evolved from traditional agriculture to a precision-regulated tech industry. In this green revolution, light solutions have always been the key to success. Professional farmers know that the delicate balance of light quality, light efficiency and photoperiod directly affects THC/CBD content, yield and growing costs.

In recent years, full-spectrum Quantum Board LED grow light has become the preferred choice of the world's top cannabis growers due to its disruptive advantages. As the industry's leading LED lighting supplier, TUBU will deeply analyze the logic behind this trend, from scientific principles to real-world cases.

Full Spectrum: Mimic Nature, Surpass Nature

Cannabis as a “light-sensitive” crops, different growth stages on the light wave needs are very different:

Seedling stage: blue light (450-490nm) to promote root development and leaf compactness;

Growth stage: red light (620-660nm) and far-red light (730nm) work synergistically to accelerate stem elongation and chlorophyll synthesis;

Flowering period: UV-A (380-400nm) and specific red light ratio to enhance the accumulation of secondary metabolites (such as THC).

Quantum Board Grow Light 120W

Quantum Board Grow Light

Quantum Board Grow Light 120W (3)

Quantum Board Grow Light

The energy efficiency revolution: save 50% of electricity, double the income

The energy cost of cannabis cultivation often accounts for 30%-50% of operating expenses. Quantum Board's disruptive advantage is:

PPFD/Watt Industry Benchmark: TUBU Quantum Board's light efficiency is up to 2.8μmol/J, saving more than 60% energy compared to HPS lights;

Heat dissipation revolution: fanless passive heat dissipation design reduces points of failure and has a life expectancy of over 50,000 hours (3 times that of HPS);

Light decay control: using 2835/3030/3535 lamp beads, long L90 life, lower long-term cost.

Light uniformity: goodbye to “yin and yang face”, harvest gold quality

Traditional lamps due to the concentration of light sources, easy to cause the edge of the planting area and the center of the PPFD (photosynthetic photon flux density) difference of more than 30%, resulting in uneven growth of plants. TUBU Quantum Board adopts the design of large-size surface light source, combined with the COB array arrangement, to achieve:

±5% light uniformity: minimal PPFD fluctuations across the planting surface, plant height difference <2cm;

No dead-angle coverage: original lens technology, spot overlap rate optimized to 92%, edge area does not “collapse”;

Vertical Cultivation Adaptation: Ultra-thin body (thickness <5cm) and modular splicing, easily adaptable to multi-layer cultivation racks.

In the legal marijuana market, quality and cost make the difference between life and death. The full spectrum Quantum Board is not just a light, it is a “revolution in the means of production” for growers, and TUBU has always believed that the answer to the future of agriculture is to restore nature with technology, and transcend it with data.

Contact TUBU's LED grow light experts today and let your farm be one step ahead of the rest and harvest the “Golden Miracle”!

About the author

TUBU is an expert in LED light research with more than 10 years of experience in this field. We hope that through our TUBU research, LED lighting technology will become more popular and bring greater convenience and comfort to people's lives.

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