Product details
Reliable Airflow for a Healthier Aquarium
Keep your aquarium well aerated with the Minjiang NS-750 Aquarium Air Pump. This compact air pump provides steady airflow for air stones, sponge filters and other air-driven aquarium equipment.
The NS-750 has two air outlets. Therefore, you can run two air stones or connect two air-powered devices at the same time.
Its rated airflow is commonly listed at 400 litres per hour, while power use is only 5W. As a result, it offers strong aeration with low energy use.
The airflow can also be adjusted with a high or low switch. This makes it easier to match the air supply to your aquarium and livestock.
Dual Air Outlets
The NS-750 aquarium air pump has two independent air outlets.
This gives you more flexibility than a basic single-outlet pump. For example, you can run an air stone on one side of the tank and a sponge filter on the other.
You can also run two separate aquariums if the tubing layout and airflow are suitable.
Because both outlets operate from one pump, your setup stays simple and tidy.
Why Choose the Minjiang NS-750 Aquarium Air Pump?
Good aeration plays an important role in aquarium care.
An aquarium air pump moves air through tubing and into an air stone or filter. This creates bubbles and water movement. As a result, gas exchange at the water surface improves.
The Minjiang NS-750 combines useful airflow with a simple dual-outlet design.
It is a practical choice for:
- Freshwater aquariums
- Marine aquariums
- Tropical fish tanks
- Breeding tanks
- Quarantine tanks
- Sponge filters
- Air stones
- Bubble decorations
Great for Air Stones and Perfect for Sponge Filters
Connect the NS-750 to one or two aquarium air stones to create steady bubbles.
Air stones break the airflow into many small bubbles. These bubbles help create surface movement and improve gas exchange.
They can also add a bright and lively effect to the aquarium.
For best performance, replace clogged air stones when bubble output starts to drop.
The Minjiang NS-750 Aquarium Air Pump also works well with air-driven sponge filters.
Sponge filters are popular in:
- Breeding tanks
- Shrimp tanks
- Fry tanks
- Quarantine tanks
- Small community aquariums
The air pump drives water through the sponge. As a result, the filter provides gentle mechanical and biological filtration.
Adjustable Airflow Strong 400L/h Air Output
The Minjiang NS-750 aquarium air pump performs at 400 L/h total airflow. The specification is approximately 2 × 2.5 L/min through the two outlets.
This makes the pump suitable for a wide range of home aquarium setups.
However, the final air delivery depends on:
- Tubing length
- Water depth
- Air stone resistance
- Number of connected devices
- Condition of the air stones
The Minjiang NS-750 aquarium air pump includes airflow adjustment via a high/low switch. Therefore, you can increase or reduce the air supply when needed.
This is useful when:
- Fish prefer gentle bubbles
- A sponge filter needs stronger airflow
- Two air stones are connected
- A breeding tank needs softer water movement
- You want less surface disturbance
Always adjust the airflow gradually so your fish can adapt.
FAQ
The Minjiang NS-750 Aquarium Air Pump provides airflow for air stones, sponge filters and other air-driven aquarium equipment. It also helps improve water movement and surface gas exchange.
The Minjiang NS-750 has two air outlets.
As a result, you can connect two air stones, two sponge filters or a mix of compatible air-powered devices.
Maximum airflow is 400 L/h. Actual output may vary depending on water depth, air stone resistance and tubing length.
The pump is rated at 5W. Therefore, it offers good airflow while keeping power use low.
Yes. The NS-750 includes adjustable airflow control. It has a switch with preset parameters for high or low.
This allows you to increase or reduce the bubble output.
The pump is marketed as a lower-noise model. However, some vibration and motor sound are normal with diaphragm air pumps.
Place it on a stable surface to reduce vibration.
Yes.
The air pump stays outside the aquarium, so it can provide airflow for both freshwater and marine setups.
Many aquarium air pumps run continuously.
However, the correct schedule depends on your aquarium, fish load, temperature and filtration system.
Place the pump above the aquarium water level whenever possible.
If it sits below the water line, install a non-return check valve to reduce the risk of back-siphoning.
Victor –
The pump gives strong airflow from both outlets and is easy to adjust with a high and low switch. It works very well with my air stones and sponge filter. The compact size is also useful, and the power use is low. It is rare to come across powerful 5 Watts double hole air-pumps. I will try to use connectors so I can use it to supply 8 aquarium tanks. Let’s see!