Blue, can help synthesize vitamin D3, promote the absorption of coral calcium. Make corals grow brightly colored.(4) The mixed use of aquatic grass lamps at medium and low color temperatures can make the lamp soft, reddish, high brightness, and promote the growth and development of deep aquatic plants. After using the lamp, make the various colors of aquatic plants realistic, and the branches are thick, which is more suitable for mixed aquatic plants tanks. Especially suitable for red and green mixed aquatic plants, good effect on red aquatic plants, more suitable for aquatic plants with water depth below 50~60cm, the effect is better.(5) The lamp has a high color rendering index, and after the fish are irradiated by this light, the fish of various colors are more realistic, lively and cute. Excellent results for aquarium fish. Cidly Led Grow Light, Viper Spectra Grow Light , Outdoor Grow Light , Monster Led Grow Light ,630W Cmh Grow Light Kit . Observe which plants are completely in the sun? Which ones are in the shade? When do the plants next to the wall get the sun? From this, you can further find out the growth of the same plant in different places, so that you will have a better understanding of the growing conditions required by the plant. The product will supply to all over the world, such as Europe, America, Australia,Surabaya, South Korea,Swiss, Manila.At present, the sales market of LED grow lights is also concentrated in Japan, South Korea, Central America, Europe and other countries and regions with fewer agricultural personnel.