MarineLand Maxi-Jet 400 Aquarium Water Pump, 110–500 GPH Multi-Use Powerhead

MarineLand Maxi-Jet 400 is a multi-use aquarium water pump for powering aquarium equipment and moving tank water, with powerhead, utility pump and circulation pump functions.

• Conversion kit included — changes the powerhead into a prop-style circulation pump.
• Adjustable Venturi aeration — lets you adjust air input through the pump.
• Four Maxi-Jet sizes — choose from models with flow rates from 110 to 1,300 GPH (416 to 4,921 L/h).
• Maxi-Jet 400 flow range — delivers 110 to 500 GPH (416 to 1,893 L/h).
• Made for varied aquarium equipment — supports uses including undergravel filters, protein skimmers, calcium reactors and refugiums.

Aquariums can call for different kinds of water movement and equipment support. The Maxi-Jet 400 combines several pump roles in one unit, making it useful for aquarium setups where a powerhead, utility pump or circulation pump is needed. It is intended for freshwater and saltwater aquarium hobbyists, with applications that include equipment operation as well as water circulation.

What pump functions does the Maxi-Jet 400 provide?

It works as a powerhead, utility pump and circulation pump. The included conversion kit changes the powerhead into a prop-style circulation pump to move water within the aquarium. The prop-style option is designed to provide aquarium water movement with the least amount of energy.

• Use it as a powerhead for undergravel filters.
• Run the powerhead with wave maker timers.
• Convert it for prop-style circulation inside the aquarium.

What aquarium equipment can it run?

The Maxi-Jet 400 can power undergravel filters, protein skimmers, calcium reactors and refugiums. Its range of applications also includes small fountains, skimmers and calcium reactors, giving aquarium keepers a pump suited to multiple equipment setups.

• Supports undergravel filtration.
• Can run protein skimmers and calcium reactors.
• Can be used with refugiums and small fountains.

How much water does the Maxi-Jet 400 move?

The Maxi-Jet 400 has a flow range of 110 to 500 GPH (416 to 1,893 L/h). The wider Maxi-Jet range includes the 600 at 160 to 750 GPH (606 to 2,839 L/h), the 900 at 230 to 1,000 GPH (871 to 3,785 L/h), and the 1200 at 295 to 1,300 GPH (1,117 to 4,921 L/h).

• 400: 110 to 500 GPH.
• 600: 160 to 750 GPH.
• 900: 230 to 1,000 GPH.
• 1200: 295 to 1,300 GPH.

Can I adjust aeration?

Yes. The pump’s Venturi function provides fully adjustable aeration, so you can adjust the air input as part of its aquarium use.

• Venturi pump design.
• Air input is adjustable.

The MarineLand Maxi-Jet 400 suits freshwater and saltwater aquarium keepers who need a pump for equipment support, adjustable aeration or aquarium circulation. Its three pump functions, conversion kit and 110 to 500 GPH flow range make it a flexible option for those uses.