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1 year from manufacture.
We suggest you take the 3000K mix 4000K, it’s the best full spectrum for plants from veg and flower.
The color rendering index (CRI), sometimes called color rendition index, is a quantitative measure of the ability of a light source to reproduce the colors of various objects faithfully in comparison with an ideal or natural light source. Light sources with a high CRI are desirable in color-critical applications such as photography and cinematography, and even horticulture. It is defined by the International Commission on Illumination as follows:
Color rendering: Effect of an illuminant on the color appearance of objects by conscious or subconscious comparison with their color appearance under a reference illuminant
The highest possible CRI is 100, which is equivalent to natural sunlight. The higher the CRI, the better quality of light.
Contact our distributions they will recommend you the best light according your grow size.