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Cobalt Aquatics MJ400 Multi-Purpose Powerhead/Pump
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  • Cobalt Aquatics MJ400 Multi-Purpose Powerhead/Pump
  • Cobalt Aquatics MJ400 Multi-Purpose Powerhead/Pump

Cobalt Aquatics MJ400 Multi-Purpose Powerhead/Pump

In stock: Order by 2PM EDT for same-day shipping (M-F only)

Item #: 3C00057

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$31.99
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Quick Overview

The Original MJ multi-use submersible pump and power head is built to perform and last under the harshest conditions. Ideal for wave makers, protein skimmers, calcium reactors, nano aquariums, under gravel filters and hydroponic a...
Product Description
Reviews

Cobalt Aquatics MJ400 Multi-Purpose Powerhead/Pump Information



The Original MJ multi-use submersible pump and power head is built to perform and last under the harshest conditions. Ideal for wave makers, protein skimmers, calcium reactors, nano aquariums, under gravel filters and hydroponic applications.

Includes:
    1. Fully rotational output
    2. Fully sealed intake for internal and external use
    3. Universal intake tube
    4. Adjustable hanger with cord guide and 6ft power cord
    5. Adjustable venturi with silencer
    6. Triple suction cup mount
    7. Large intake screen for use with sponge

Model Watt
120v-60Hz
Max Flow
(gph/lph)
Max Height
(in / m)
MJ400 5 106 (400) 29" (.73m)
MJ600 7.5 160 (600) 53" (1.35m)
MJ900 8.5 230 (870) 46" (1.17m)
MJ1200 20 295 (1100) 69" (1.74m)


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Cobalt Aquatics MJ400 Multi-Purpose Powerhead/Pump Reviews

"Excellent" - Product Review by Zachary Determan (Posted on 9/15/12)
Rating
Excellent!

Comments: Ive always been very weary of buying anything but hydro koraline powerheads but i saw this one and decided to give it a try it was a very good investment this item comes with everything and puts out a very good high flow also it is an easy way to areate your tank

Do you find this review helpful?  Yes No
"Mj multi pump" - Product Review by Ruben Hernandez (Posted on 6/28/12)
Rating
Excellent!

Comments: Works great this thing is fast does the job it was meant to do .This this pump was made for the phosphate reactor it mixs the GFO nice slow there's no miss to clean up its like It's not even there that's how quiet it is you have to get One you will get your money worth it's as easy as 123...thank you .

2 of 2 people found this review helpful, did you? Yes No
"great pump" - Product Review by Matt Nadel (Posted on 6/12/12)
Rating
Excellent!

Comments: i had the marnie land maxi jket before this pump and when i was running with my ramora h.o.b skimmer it was way to loud for my room. this pump is super quiet and the perfect fit for me

Do you find this review helpful?  Yes No
"Superior to marine land" - Product Review by Ryan Oconnell (Posted on 6/1/12)
Rating
Excellent!

Comments: Great and super quite under 4ft of head pressure. Far superior to marine land

1 of 3 people found this review helpful, did you? Yes No
"The OLD MJ1200" - Product Review by Kevin Youngberg (Posted on 5/2/12)
Rating
Excellent!

Comments: These are the old MJ 1200 pump, made in Italy. Great pump, always starts without noise or problems, quiet operation.

Do you find this review helpful?  Yes No
"Good - not perfect" - Product Review by Lyle Sinor (Posted on 3/8/12)
Rating
Great!

Comments: This is the third MJ Powerhead I have purchased over the last 10 years. They do a good job for the money. I would give a 5 star rating if they were more solidly built.

Do you find this review helpful?  Yes No

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