Fish Tank Rocks Glow Blue/Glow in The Dark Pebbles for Garden/Fish Tank 500pcs

HOW IT WORKS - The glow in the dark rocks will absorbs and stores light, then they give off light in the darkness, with several hours of bright glow and then gradually dim away. The process will repeat for many years.
MULTIFUNCTIONAL DECORATION - these glow rocks stones can be perfectly applied to fish tanks rocks , aquarium gravel, fairy garden decorations,betta fish tank accessories, turtle tank accessories, outdoor rocks decor, yard roads, walkway and more.
SAFETY AQUARIUM ROCKS - made of polystyrene resin, non-toxic and no any radioactive elements, will not cause health effects to animals.These are about 500Pcs glow in the dark rocks outdoor, about 20-30mm inches long
BRIGHT FISH TANK ROCKS - these fish tank rocks have very beautiful and brilliant colors. Can be used as an excellent decoration during the day, You can appreciate their brightness and colorfulness.
BETTER GLOWING EFFECT - Whether you want to illuminate a fish tank or illuminate an outdoor courtyard, the

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