Add a Fun Glow to Your Underwater World
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A soft, colorful sea urchin that brings gentle movement and a playful shine to any tank.
This soft silicone sea urchin ornament gives your aquarium a bright and calming touch. It gently sways with water flow and creates a fun glow that fish love exploring. It works well in both freshwater and saltwater tanks and adds a natural feel without any sharp edges.
A simple way to brighten your tank and keep your fish happy.
✔ Adds soft color and movement to any aquarium
✔ Safe, smooth, non‑toxic silicone
✔ Weighted base keeps it steady underwater
✔ Great for freshwater and saltwater tanks
✔ Glows under UV for extra fun
Rinse before placing in your fish tank. Lift and swish in tank water during regular cleaning. Available sizes: S 7x12cm, M 11x18cm, L 13x23cm.
We are proud to offer duty-free, reliable, tracked shipping— delivered to your door in over 200 countries worldwide!
Below you can check our average shipping times:
Domestic USA Shipping: 2-9 business days
US & Canada: 7-18 days
Europe: 7-18 days
Europe Plus*: 8-30 days
Australia, New Zealand: 7-18 days
Hong Kong, Singapore: 7-18 days
Rest of the world: 8-30 days
*does not include processing times up to 2 business days or longer in peak periods
Primarily we ship out from fulfillment centers in the United States, Eastern Asia and Western Europe. If the item you've purchased is out of inventory in your nearest location, we'll send it directly from our production lines at the same delivery times as stated in our shipping section.
Is the silicone material safe for fish?
Yes, it is made from smooth, non‑toxic silicone that is safe for all common aquarium fish.
Does it glow on its own?
It has a fluorescent finish that glows under UV or blue aquarium lighting.
Will it float around the tank?
No. It has a weighted base that keeps it stable on the substrate.
The multi‑colored glow brings life and charm to any aquarium setup.
Soft silicone strands sway with water flow, adding a calming feel for fish.
Made from smooth, non‑toxic silicone that won’t harm fins or scales.
The weighted base keeps it steady, making setup simple and stress‑free.
Great for both freshwater and saltwater tanks, from small aquariums to larger displays.
A safer, brighter, more natural choice for your aquarium décor.
| Features | MK Aquarium | Knock-Offs |
|---|---|---|
| Aquarium‑safe materials | ||
| Soft silicone strands | ||
| Natural swaying movement | ||
| Weighted stable base | ||
| Fluorescent glow finish | ||
| Works in both tank types | ||
| Smooth, fin‑friendly texture | ||
| Multi‑color appearance | ||
| Flexible, durable design |
Simply swish it in aquarium water during routine cleaning. Avoid soap to keep it safe for fish.
Yes. The gentle flow will help the silicone strands move naturally.
Yes, the silicone material works well in both freshwater and marine environments.
The fluorescent finish holds up well with normal tank lighting.
No. It is made from aquarium‑safe materials that will not release harmful substances.
Most fish enjoy the soft movement and added hiding texture. It has no sudden motion or noise.
The weighted base keeps it steady in typical aquarium flows.
Just rinse and place it where you like. No special tools or steps needed.
Yes. Choose the size that fits your layout, from small nano tanks to larger aquariums.
