NAMTSO Glow in The Dark Pebbles Luminous Stones for Fish Tank

Size:500pcs Blue

• Product Information: 500PCS/Pack, roughly 1*inch in diameter each
• Safe and Durable: The glow in the dark stones are made of natural resin,the glow stones are artificial rocks, non-toxic, non- radioactive and odorless. Glow in the dark rocks do no harm to people and can be very safe for children to play. And glow pebbles are harmless to fish
• Wide Range Use: The blue glowing luminous stones rocks can be used for fish tank, acquarium, yard decor, backyard walkway, pathway or driveway, garden outside decor, lawn, swimming pool, pond, bar indoor & outdoor grave decoration with these glowing rocks. Glow in the dark gravel can be used for art & crafting, DIY gift decorations
• How to Use: Keep the glow stones absorbing enough sunlight or artificial light at least for 1 hour, and pave glow rocks anywhere you like. The glow pebbles will give off shining and glow brightly in the dark for 3-5 hours, but as the sun sets slowly, the glow rocks begin to release its light source and become darker and darker. So glow rocks can glow only after Recharge by Light Source for at least 1 hour