Dual spectrum compact fluorescent grow light. Actual length is about 40cm.A grow light is an electric lamp designed to promote plant growth by emitting an electromagnetic spectrum appropriate for photosynthesis. The emitted light spectrum is similar to that from the sun, allowing indoor growth with outdoor conditions. Natural daylight has a high color temperature (approx. 6000°K) and appears bluish. Through the use of the color rendering index, it is possible compare how much the lamp matches the natural
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