The light could glow in the dark after absorbing the sunlight/lamplight in the daytime
Designed for use in Fish Tanks, Pools, & Ponds. Can also be used for Gardens and Home Plant pots
Water, acid and alkali resistant, antioxidant
Pebble style, perfect for decoration.
Size: 2-3cm. Random color, 10 Pcs.
Glow in the Dark Pebble Stone for Fish Tank Luminous Stone Assorted - B015IW3060