400~520nm (blue) – This wavelength can directly develop plant roots and stems, and has the largest absorption ratio of chlorophyll and carotenoids and the greatest impact on photosynthesis. Cree Led Grow Light Kit, Rgb Led Grow Light Panel , Grow Light Timer , Hps Grow Light 1000W ,Led Grow Light Repair . Before understanding how to cultivate plants, we must first know the most necessary conditions for plant growth. Of course, sunshine, air, and water are indispensable, but how much sunlight and how much moisture you need, this requires your attention. The product will supply to all over the world, such as Europe, America, Australia,Netherlands, The Swiss,Bolivia, Guyana.These light sources are to make plants produce the best photosynthesis, plants to get the best growth state, experiments and practical applications have shown that in addition to giving plants in the lack of light time to get supplemental light, but also to promote the differentiation of multiple lateral branches and shoots during the growth process, accelerate the growth of roots and leaves, accelerate the synthesis of plant carbohydrates and vitamins, and shorten the growth cycle.