Quiet, Simple Water Care for Your Tank
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A tiny helper that keeps your aquarium water fresh and calm.
The Biosphere Mute Filter Ball is a small but mighty filter add‑on for your fish tank or aquaponics system. Its plastic shell and cotton core work together to trap debris and help keep water clear. The built‑in grid design supports smooth flow and reduces light a bit, giving your fish a calmer home.
Easy to use and friendly for any setup.
✔ Helps keep water clear
✔ Softens light in your tank
✔ Reduces water movement noise
Rinse the filter ball with tank water during regular maintenance. Avoid harsh cleaners. Replace the cotton core if it looks worn.
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.
What does this filter ball do?
It helps trap debris, reduce light, and support a quieter flow in your aquarium or aquaponics system.
Is it safe for all fish tanks?
Yes, it works in most aquariums, small ponds, and aquaponics setups.
How often should I clean it?
Give it a gentle rinse during your usual tank maintenance to keep it working well.
The cotton core helps catch debris so your fish enjoy cleaner water.
Simple to rinse and reuse, so your routine stays quick.
The grid design gently reduces light reaching the water.
The shape helps calm splashes and small currents.
Works in aquariums, ponds, and aquaponics setups.
Designed for smoother, clearer water care.
| Features | MK Aquarium | Knock-Offs |
|---|---|---|
| Basic debris filtration | ||
| Cotton-filled core | ||
| Built-in grid design | ||
| Light reduction feature | ||
| Noise-softening flow | ||
| Durable plastic body | ||
| Easy rinse cleaning | ||
| Works in aquaponics | ||
| Reusable structure |
Yes, many hobbyists add a few for extra support in larger tanks.
It can soften flow slightly thanks to its grid shape.
No, it simply helps catch debris to support normal clarity.
Yes, you can swap it out when it looks worn.
It pairs well with most aquarium and aquaponics filtration systems.
Most fish ignore it since it sits quietly in the tank.
Yes, its smooth shape and small openings are gentle for tiny tank mates.
It is designed to stay in place once submerged.
The plastic shell is sturdy and reusable with regular rinsing.
