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light spectra each have an effect on root formation, plant growth, and flowering, but there are not enough scientific studies or field-tested trials using LED grow lights to recommend specific color ratios for optimal plant growth under LED grow lights. It has been shown that many plants can grow normally if given both red and blue light. However, many studies indicate that red and blue light (pink to purple depending on the red to blue ratio) only provides the most cost efficient method of growth, plant

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