Maxi-Jet Powerhead 1200 - Marineland

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The Marineland Maxi-Jet aquarium powerhead (pump) is ideal for creating internal water movement from its fully rotational output. The Maxi-Jet incorporates a venturi aeration device to provide optimal aeration and gas exchange in the aquarium. A silencer keeps the venturi aeration device operating quietly. An adjustable air filter permits the user to fine-tune air volume and water mixing as desired. Design includes optional high flow impeller and shroud allowing you to transform the Maxi-Jet into a high flow, more dispersed powerhead.


This Marineland Maxi-jet pump comes with two modes: a powerhead mode and a circulation mode.



  • Powerhead Flow Rate: 295 GPH
  • Circulation Flow Rate: 1300 GPH
  • Max Head Pressure: 6 Ft
  • 20 Watts
  • Inlet: fits 3/4" ID tube
  • Outlet: fits 1/2 tube
  • Pump Dimensions: 3.25" x 3.5" x 2"


NOTE:This pump is not intended for use with a reactor or other back pressure situations as it will be significantly louder than in other operations. For reactors or other situations, BRS recommends the Sicce Syncra 1.5.


Quick Compare - Marineland Maxi-Jet Powerhead Pumps

Model Flow Rate Circulation Flow Rate Maximum Head Pressure Watts Inlet/Outlet Dimensions
Maxi-Jet 400 110 GPH 500 GPH 3 Ft. 8 3/4" Tube/1/2" Tube 3.25" x 3.5" x 2"

Maxi-Jet 600

160 GPH

750 GPH 

3.5 Ft. 


3/4" Tube/1/2" Tube

3.25" x 3.5" x 2"

Maxi-Jet 900

230 GPH

1000 GPH

4 Ft.


3/4" Tube/1/2" Tube

3.25" x 3.5" x 2"

Maxi-Jet 1200

295 GPH

1300 GPH

6 Ft.


3/4" Tube/1/2" Tube

3.25" x 3.5" x 2"

More Information
UPC 047431905122
Variable Speed No
Gallons Per Hour 100 - 300 GPH
Max Head Height 5 -10 Feet
Output Size 0.5" (1/2 in.)
Included Mounting Suction Cup
Power Type AC
Power Consumption 20W
Power Cord Length 6 Feet
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Product Questions

I am looking to do a DIY chiller setup, using Powerheads like this with this the Braided Nylon Tubing to circulate tank water through my own chiller (mini fridge). I am assuming I will need some sort of fitting to use this tubing to connect to this Powerhead, or do I just need to use ratchet clamps?
Question by: JR on Aug 2, 2014, 2:59 PM
Hi JR,
I wouldn't use a Marineland Maxi-Jet for this purpose as they tend to be quite loud in these typs of applications. The Cobalt Aquatics MJ1200 however, should work just fine. Your best bet would be to use 1/2" RO tubing which has the same outside diameter as the pump output, which allows you to use a 1/2" push connect union to connect the two together.


Answer by: Bulk Reef Supply on Aug 2, 2014, 2:59 PM