COLOR: Blue, Moon rock amelioration is made of Eco-friendly, Green Manufactured, and non-toxic Ceramic Material. No paints, it is always safe for the fishes. Safe and non toxic for use in both freshwater and saltwater, no need to rinse or soak before putting them into the fish tank, maintains water quality and pH level.

COMFORTABLE: Designed for your fish, the cozy cave provides excellent hiding spots for small or timid aquarium fish. Tiny fish being chased can swim through the small hole, the larger fish has to turn around. Create a Playground for Your Fish!

MATERIAL: Glows in the dark! Achieves their glow using rare earth crystals, encapsulated in glaze. These materials also add more rough texture to the rock, creating a Moonbeam Blue glow that lasts for hours. Non-toxic and eco-friendly for fishes. Places to explore by day; glowing rings of light at night! Create a magical world for your fish.

NOTE: Our small stones are not large as they appear in photos.You should exposed them to the sunshine first before putting into the tank to make glow more obvious.

Shipping Note: Shipping to Alaska, Hawaii, P.O. Boxes, and APO addresses is not available for this item

Warranty: 90 Day Woot Limited Warranty