These 8.5-inch VIVOSUN clamp lamps are an absolute lifesaver when I am starting seeds indoors. Instead of rearranging the whole VIVOSUN grow tent just to hit one struggling tray of tomatoes or peppers, I can clamp these directly to the poles or a nearby shelf to give them focused, supplemental light. The spring clamps are super strong, and they can handle up to 150W bulbs.
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