Obviously, this chart shows why LED manufacturers focus on blue and red - the only colors that show the greatest effectiveness.
polishpollack Reviewed by polishpollack on . How to choose a right lamp for your plant? Often receive question about the right choosing of grow light, so give some indication here to help someone who needs help. Most people are not professional gardener, so the below indication is for them as the simplest and most effective way to choose the grow light. Not for someone who has specific requirement on the growing of plant. Actually the 1st concern is the wavelength emitted by the light, why no light can be as good as the sun is that light only emits parts of wavelength in Rating: 5