Easy Oxygen Boost for Small Tanks
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A tiny pump that keeps your fish happy wherever you go.
This compact 5V USB Aquarium Air Pump gives your small fish tank a steady stream of fresh bubbles. It’s light, quiet, and easy to power from any USB port, making it handy at home or outdoors. Your fish get stable oxygen, and you get a simple setup that works in aquariums, bait buckets, and small seafood containers.
Small pump. Big help for your fish.
✔ Steady oxygen flow for small tanks
✔ Simple USB power for home or travel
✔ Quiet, gentle bubbles your fish will love
Place the air stone in your aquarium or fishing bucket, connect the tube, and plug the pump into any 5V USB power source. Size: 8 x 3.5 cm with a 90 cm power cord.
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 this pump good for small aquariums?
Yes, it’s designed for small aquariums and gives gentle, steady oxygen.
How do I power it?
Just plug it into any 5V USB port, power bank, or USB adapter.
Does it run quietly?
Yes, it runs with a soft sound that blends into your tank setup.
Helps your fish stay active and comfortable with a smooth bubble flow.
Take it anywhere for outdoor fishing or travel-ready setups.
Runs softly so your fish tank stays calm and peaceful.
Plug it in, drop in the air stone, and you’re ready to go.
Creates consistent bubbles for healthier water movement.
Simple, steady oxygen for small tanks on the go.
| Features | MK Aquarium | Knock-Offs |
|---|---|---|
| 5V USB power | ||
| Quiet running motor | ||
| Portable lightweight design | ||
| Copper motor build | ||
| 100 cm air tube included | ||
| Uniform bubble output | ||
| Durable plastic body | ||
| Great for fishing buckets | ||
| Simple USB setup |
Yes, it works well in bait buckets and helps keep bait lively with fresh bubbles.
It includes a 100 cm air tube, giving you flexible placement in your tank.
Yes, it’s designed for steady oxygenation in small tanks when powered properly.
Yes, its tiny size makes it ideal for small tanks and nano setups.
Yes, any 5V USB power source, including power banks, will work.
It creates gentle, even bubbles that suit small fish tanks and containers.
It’s built with a durable plastic body and a copper motor.
Yes, it provides steady oxygen flow for small seafood containers.
Attach the air tube, place the stone in water, and plug the USB cable into a 5V port.
