... bag, 20kg/bag7.Usage: used for decoration of swimming pool, road pave,aquarium and building surface, 8.Acid ... streetlights and moonlight are absent. Luminous cobblestone is for use in Concrete, Pavers and Terrazzo products ... Spreading around the swimming poor, puting in the aquarium or inlay into the scenery wall all are ... , Cobble, triangleWater ResistantYesUV ResistantYes Glow Stone for Aquarium