How would this do for a ten gallon?

For a 10 gal tank a 110/500 to gph is more than sufficient, even up to a 20 gal. For tanks up to 30 the 160.750 gph, for 40gal the 230/1000 gph will do the job. If you have under a 40 gallon tank a single pump is all you need to run one under gravel filter, two pumps might be too much. Anything over a 40 gal tank I recommend a dual pump under gravel filter set up. For a 50 gal tank I recommend no less than two 295/1300 gph Maxi Jets. I have two mounted into a 48x12 tank with a DIY under gravel filter set up with a modified carbon filter basket mounted on one of the pipes to draw water into it. These units are great, and pump air and circulate the water very well, my gold fish no longer behave like their stuck in a stagnant pond, you can definitely see a change for the better in their behavior, their actually happy now. If you love your fish, get them one of these.

What is the tube used for on the maxi jet

When using it in impeller mode, you attach the tubing with the venturi to pull in air so you get a lot of oxygenation.

can you use it in salt water?

absolutely can be used in salt water.

Do you sell separately the suction cups

Not being the manufacturer here, they do sell extra cups. Check marineland

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Marineland Maxi-Jet 400 Multi-Use Water Pump & Power Head

Marineland Maxi-Jet 400 Multi-Use Water Pump & Power Head

Product ID: 2333731

Details

Brand
MarineLand
Global Trade Identification Number
Item Weight
1.2 pounds
Manufacturer
Marineland
Material
Plastic
Maximum Lifting Height
3 feet

⚡110-500 GPH powerful flow

🔄3-in-1 multi-use pump

🔧Includes conversion kit

₩61643

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Description

🔄 Power your aquarium like a pro—3 pumps in 1, endless possibilities!

COMPACT YET MIGHTY - Small footprint (4.75"x4"x6.88") packs up to 500 GPH flow, quietly maintaining optimal water conditions without disruption.
WIDE COMPATIBILITY - Perfect for freshwater and marine tanks, powering filters, skimmers, reactors, and more—your all-in-one aquarium solution.
VERSATILE 3 IN 1 DESIGN - Powerhead, utility, and circulation pump all in one sleek unit—adapt to any aquarium need.
ADJUSTABLE FLOW AERATION - Fine-tune water movement and oxygenation with the built-in venturi pump for a thriving aquatic environment.
ENERGY EFFICIENT CIRCULATION - Conversion kit transforms the pump into a prop-style circulation powerhouse, maximizing flow with minimal power.

The Marineland Maxi-Jet 400 is a versatile, multi-use water pump and powerhead designed for both freshwater and marine aquariums. Delivering 110 to 500 gallons per hour, it features a conversion kit to switch between powerhead and prop-style circulation pump modes, adjustable aeration via a venturi system, and compatibility with undergravel filters, protein skimmers, calcium reactors, and refugiums. Compact, energy-efficient, and quiet, it’s engineered to optimize water flow and oxygenation for a healthier aquatic environment.

Specifications

ASIN	B004IMPOIO
Best Sellers Rank	#19,066 in Pet Supplies ( See Top 100 in Pet Supplies ) #9 in Aquarium Water Pump Accessories
Brand	MarineLand
Brand Name	MarineLand
Customer Reviews	4.3 out of 5 stars 588 Reviews
Global Trade Identification Number	00047431905092
Item Dimensions L x W x H	4.75"L x 4"W x 6.88"H
Item Highlight	Power Head & Circulation Pump, Includes Conversion Kit, 110 To 500 GPH Range, For Freshwater & Marine Use
Item Type Name	Marineland Maxi-Jet 400, Multi-Use Water Pump And Power Head, Fully Convertible
Item Weight	1.2 pounds
Manufacturer	Marineland
Manufacturer Part Number	ML90509
Material	Plastic
Material Type	Plastic
Maximum Lifting Height	3 feet
Model Number	ML90509
Number of Items	1
Power Source	Corded Electric
Product Dimensions	4.75"L x 4"W x 6.88"H
Product Style	110/500 GPH
Style	110/500 GPH
UPC	854585302086 047431905092
Unit Count	1 Count
Voltage	120 volts

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₩61643

Duties & taxes included

In stock

Sold byAmazon South KoreaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Korea.

Secure transaction

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