If your looking for a bong that stands out than the rest of the usual bongs, This is the bong for you, Our glow in the dark water pipes range from different designs and come in different sizes (small & large) If you don’t yet know how the glow in the dark bongs glow its simple! For most glow-in-the-dark items, normal light is all you need, for instance, sunlight or light from fluorescent lamps. If the item is UV reactive, it will need UV light instead of sunlight in order to glow. Generally, the longer the glass is left under the light the more energy it stores and the brighter it will glow at night.