Glow in The Dark Rocks: 6 Packs of KIBBEH Fish Tank Decorations for Vibrant Glow Party Decor and Colorful Gravel Enhancements (2-6mm) Review

PACKAGE INCLUDES: You will receive 6 packs of glow-in-the-dark colorful vary in size aquarium sandstones, approximately 10 grams each for a total of 60 grams (2.1 oz). When you receive the package, put all the gravel in the sun for about half an hour, and let them fully charge on the first use, they will keep glowing for about 2-3 hours in a completely dark space. They can recharge and glow repeatedly. If you want them to keep growing indoors or out, install an LED UV blacklight above them. WIDE APPLICATION: They can be used for floor decoration indoors and out, as well as to decorate pools, vases, fish tanks, garden pots, to mark paths and walks, or as pond boundaries. They are non-toxic, non-radioactive and completely harmless to aquarium life.