Answer: While it's possible the plant is too close to the source of light, a more likely cause of brown leaf tips is watering with cold or hard water, and applying too much water. Some plants are more sensitive to minerals in water than others are, and most plants require less water during winter months than they do in spring and summer when they are actively growing. Try using room temperature distilled water instead of cold tap water, and move your plant a few more inches away from the source of artificial light. Both of these actions should improve the appearance, and help maintain the health of your mango.
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