Smooth, Fresh Bubbles for Happy Tanks
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Give your aquarium the gentle oxygen boost it loves.
This Bubble Aerator Stone makes it easy to keep your aquarium, shrimp tank, or hydroponic setup full of fresh, lively oxygen. Its high‑density gold steel sand design sends out fine bubbles that mix smoothly into the water, helping fish breathe easily and plants grow strong. It connects to any standard air pump, so you can pop it in and enjoy better water movement right away.
Fresh bubbles. Calm water. Happy fish.
✔ Creates fine bubbles for healthy oxygen levels
✔ Works with any standard air pump
✔ Great for aquariums, shrimp tanks, and hydroponic systems
✔ Made from durable gold steel sand
✔ Simple to set up and reuse
Available in 6cm and 8cm diameters. Soak for 10–15 minutes before first use. Clean regularly to keep the airflow strong.
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 aerator stone do?
It releases fine bubbles that increase oxygen levels and improve circulation in your aquarium or hydroponic system.
Is it easy to install?
Yes. Just connect it to a standard air pump using a 4mm soft tube.
What size should I choose?
Both 6cm and 8cm work well. Larger tanks may enjoy the 8cm option for wider bubble spread.
Fine bubbles help mix oxygen smoothly into the water, keeping the environment fresh.
Steady airflow helps fish breathe easily and stay active.
Gentle circulation keeps shrimp happy and supports root health in hydroponics.
It connects quickly to standard air pumps, making installation simple.
Made from high‑density gold steel sand that’s built to last through many uses.
Made for smooth bubbles, steady oxygen, and easy setup.
| Features | MK Aquarium | Knock-Offs |
|---|---|---|
| Fine bubble output | ||
| High-density gold steel sand | ||
| Reusable build | ||
| Works with standard 4mm tubing | ||
| Smooth, consistent airflow | ||
| Great for hydroponics | ||
| Low-maintenance design | ||
| Two size options |
Yes. The gentle bubble flow works great for shrimp and keeps the water well‑oxygenated.
If your pump uses standard 4mm soft tubing, it will connect easily.
A quick rinse every few weeks helps keep the airflow strong.
It can help stabilize CO₂ and pH by improving circulation, which many plants enjoy.
Yes. The bubbles are soft and gentle, making it safe for all aquarium fish.
Yes. It helps increase oxygen around plant roots for healthier growth.
The stone itself is quiet. Any sound usually comes from the air pump.
Yes. With regular cleaning, you can use it again and again.
The 8cm stone provides a wider spread and is a good pick for bigger tanks.
