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These LED grow light bulbs are designed with white and red LED illuminants. The combination of red and white LEDs makes the spectrum suitable for plant growth.
The spectrum wavelength of these LED grow light bulbs can give plants more light with a high output PPF of 16 micromoles per second. The LED grow light bulbs from Topstar Lighting are made of very good material and they have a lifespan of 25,000 hours. They are easy to install to standard-size fixtures, with an E26 lamp base. The lights can save energy at all stages of growing tomatoes, cucumbers, leafy greens, and herbs.
Photosynthetic pigments have an absorption peak in this band, and the peak wavelength is 450, which is conducive to the growth of plant leaves. Photosynthetic pigments have an absorption peak in this band, and the peak wavelength is 660. This band is is red light, which is conducive to plant flowering and fruit. The light of these LED grow light bulbs is a mixture of red and white light, so that it can help plants grow better.
To ensure the intensity of the plant's fill light, LED grow light bulbs should be placed directly above the plant as far as possible. Generally, the closer the distance between plant lamps and plants, the higher the light utilization rate. It is recommended that the distance between the LED grow light bulb and the top of the plant should be between 0.1 and 0.5 meters.
