About this item The Bio-Orb absorbs typical room lighting and CO2 during the day. Like a plant, The Bio-Orb requires daily light At night in the dark, the Bio-Orb produces natural light (bioluminescence). Only during nighttime hours (after 7pm). Only while swirled Filled with microalgae (living sea plants) that clean your air : add oxygen and removes greenhouse gases (CO2) and toxins The Bio-Orb requires light to live (moderate to low light) like a house plant. !!!-Must be opened within 24 hours of arrival-!!! Scientists estimate that microalgae, like these in the Bio-Orb, provide more than half the air we breathe