Review on Glowing Silicone Mushroom Coral Reef Decorations for Fish Tank - Set of 4 Pieces by Shanna Lopez

You'll look great when you have a LED strip with Lunar (Blue Light) LED bulbs that replicate the moonlight cycle. They don't glow in the dark but look great in blue light. They are made of silicone and are therefore safe for fish. Silicone moves fine details with the flow of water in the aquarium, making them more realistic. One of the pieces that comes with the kit has a suction cup instead of a rock to attach it to the bottom of the tank. I was able to use rocks to secure the suction cup to the bottom of the tank and my fish didn't move it.