Bring Fresh Oxygen to Your Fish Tank
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A simple way to help your fish breathe easy.
This Aquarium Air Stone boosts oxygen levels and keeps carbon dioxide down, helping your fish stay happy and active. It’s compact, easy to place on your tank wall, and made from durable PC material for long-lasting use. Great for aquariums of all sizes.
A small tool with a big impact.
✔ Improves oxygen flow in your aquarium
✔ Helps maintain healthy fish
✔ Easy to attach with included suction cups
✔ Washable for long-term use
✔ Great for everyday fish-keeping
The air stone is washable for long-term use. Sizes include a 3.5 cm (Y35) or 6 cm (Y60) diameter and 7 cm height. Just wash gently when needed.
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.
How do I install the Aquarium Air Stone?
Simply attach it to your tank wall using the included suction cups, then connect it to your air pump.
Is this air stone safe for all fish?
Yes. It gently adds oxygen to the water, which supports a healthy environment for most aquarium fish.
How often should I clean it?
You can give it a quick rinse whenever you notice reduced airflow or buildup.
Helps your tank stay fresh and your fish stay active by improving water oxygenation.
Steady oxygen flow makes it easier for fish to breathe and thrive.
Helps balance your tank environment for better overall water quality.
Two strong suction cups make setup simple and secure.
Made from PC material that stands up to regular use and easy cleaning.
A reliable upgrade for any fish tank setup
| Features | MK Aquarium | Knock-Offs |
|---|---|---|
| Basic oxygenation | ||
| Durable PC construction | ||
| Washable for long-term use | ||
| Compact, tank-friendly size | ||
| Stable suction cup mounting | ||
| Supports healthy CO2 balance | ||
| Smooth, steady airflow | ||
| Ideal for most aquarium setups | ||
| Great for beginners and experts |
Yes. The air stone works with your existing air pump to create airflow.
Yes. Its compact size makes it suitable for small and medium tanks.
The air stone itself is quiet. Any noise usually comes from the air pump.
Not at all. Just rinse it gently under water when needed.
Yes. Many planted tanks benefit from improved water movement and oxygen flow.
No. White or transparent both work the same way.
You’ll see steady bubbles moving upward once it’s connected to your air pump.
Yes. PC is commonly used in aquarium accessories and is safe for aquatic use.
Yes. It’s designed for continuous underwater use.
