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Home » Aquarium Supplies  » Saltwater Supplies  » Protein Skimmers  »  AquaMaxx AM250 In-Sump Protein Skimmer
AquaMaxx AM250 In-Sump Protein Skimmer

AquaMaxx AM250 In-Sump Protein Skimmer

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AquaMaxx AM250 In-Sump Protein Skimmer Information

Product Manuals & Documentation

AquaMaxx AM Series Protein Skimmer

AquaMaxx in-sump protein skimmers are built using exceptional cell-cast acrylic, bubble plates and easily adjustable riser tubes. They are rated for aquariums 100-300 gallons yet are thin enough to be concealed in a sump underneath your aquarium.

AquaMaxx in-sump protein skimmers remove organic waste from aquarium water. They create a strong mix of small air bubbles and turbulent water movement to force protein, waste and other materials into a collection cup for easy removal.

AquaMaxx skimmers are computer-precision engineered and utilize the latest filtration technology to deliver the performance and value you are looking for in a protein skimmer.

AquaMaxx in-sump protein skimmers are easy to setup and maintain. Just twist the knob counter clockwise at the top of the riser pipe to adjust the foam level to wet or dry.

Maintenance is simple. A removable collection cup makes cleaning easy. Plus, every AquaMaxx protein skimmer includes a drain fitting for hobbyists who want to setup a separate reservoir for skimmate. A silencer located at the top of the riser tube eliminates noise from the venturi.

AquaMaxx protein skimmers were designed from the ground up with the hobbyist in mind. The AquaMaxx AM-2500 protein skimmer has the pump placed inside the skimmer itself to save space, reduce noise and improve efficiency. All AquaMaxx protein skimmers have rubber feet that isolate noise and reduce vibration.

AquaMaxx protein skimmers are computer designed. Each unit is precision-cut and made of polished cell-cast acrylic.

AquaMaxx in-sump protein skimmers feature Sedra or Sicce pumps with special needlewheel impellers to produce large amounts of air with optimum bubble size. These pump and protein skimmer combinations deliver unprecedented performance and reliability. Aquarium waste will be vigorously removed from your tank so you can focus less on maintenance and more on enjoying your piece of the reef.

  • Footprint: 9 x 13 Inches
  • Pump(included): SEDRA-9000
  • Pump power consumption: 45 Watts
  • Air Intake: 1050 LPH
  • Chamber Diameter: 8 Inches
  • Height: 24 inches
  • Recommended Water Level: 8-10 Inches
  • Outlet Size: 1.5 Inch Quick-Precise adjusting valve
  • Volume rating: Up to 250 Gallons
All of our products are backed by a 60-day return policy although the skimmers will also carry a 90-day manufacturer warranty from AquaMaxx. Each skimmer will include detailed instructions and diagrams to help hobbyists get up and running immediately.

Model Item # Tank Size
Height FootPrint Pump Chamber
AM100 UJ1111 100 Gal 24" 7" x 12" Sedra 5000 5"
AM150 UJ1113 160 Gal 24" 7" x 12" Sedra 7000 6"
AM250 UJ1115 250 Gal 24" 9" x 13" Sedra 9000 8"
AM350 UJ1117 350 Gal 23" 16" x 18" 2 x Sedra 7000 10"
AM500 UJ1119 500 Gal 24" 15" x 22" 2 x Sedra 9000 12"
AM200-S UJ1131 200 Gal 24" 6.8" x 10" Sicce PSK-1500 6"
AM300-S UJ1133 300 Gal 24" 9" x 13" Sicce PSK-2500 8"

Manufacturer Info

AquaMaxx is a Southern California-based aquarium supply company that entered the market in mid-2008 with a line of affordable metal halide bulbs. The brand quickly gained recognition as word spread about the high quality and low cost of their lamps. In 2009, AquaMaxx released a line of aquarium filter socks and, in early 2010, unveiled an assortment of high-performance protein skimmer accessories and upgrades.


AquaMaxx Limited Manufacturer Warranty
AquaMaxx will warrant all AquaMaxx products to be free from manufacturing defects for one year from the original purchase date when purchased through an authorized AquaMaxx retailer. This warranty does not cover any damages caused by misuse, neglect, alterations or improper handling/transport/maintenance/installation. AquaMaxx does not cover personal injury, personal loss, or other damages associated with the use of these products.

AquaMaxx AM250 In-Sump Protein Skimmer Reviews

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of 3

good skimmer poor propeller

Reviewers Rating Below Average

Posted: 7/26/2013 from LITTLE ROCK, AR UNITED STATES
2.0 5
Experience Level: Intermediate

Comments: I also ent through a few properllers. They have a steel magnet protected by plastic. if the water goes through the plastic protection, the steel rust, the diameter increase and the pump seaze up. I really like the skimmer just hate the propeller...

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am 150 skimmer not good!!

Reviewers Rating Unsatisfactory

Posted: 2/1/2013 from CHINO HILLS, CA UNITED STATES
0.5 5
Experience Level: Expert

Comments: Have had this skimmer about a year and have gone through two impellers, and now need to order three. There is a design flaw in having pump sit vertically, skimmer works good, but three impellers in a year is crazy!!

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Reviewers Rating Excellent!

Posted: 11/12/2012 from POUGHKEEPSIE, NY UNITED STATES
4.5 5
Experience Level: Intermediate

Comments: wow. this is a great product. i cannot tell you how much cleaner the water is three days later. i had it set up in a few minutes and was skimming. this was a night a day difference between the old and new.

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Replacement Skimmer

Reviewers Rating Excellent!

Posted: 6/7/2012 from NEWARK, DE UNITED STATES
5.0 5
Experience Level: Intermediate

Comments: Awesome, way better than the skimmer I replaced.

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Good Product!

Reviewers Rating Great

Posted: 3/11/2012 from SAINT LOUIS, MO UNITED STATES
4.0 5
Experience Level: Beginner

Comments: My protein skimmer went out unexpectedly one day (it wasn't that old, maybe 14-15 months) so I went to my local aquarium store for another. They said they don't carry protein skimmers anymore and suggested I go to Petco or one of those stores. (Thanks! I'll remember that!). I have a 125 gal coral reef tank and not much experience so I checked out some various products on line and chose the AquaMaxx. I have to say, I was very pleased at the very quick time the request was processed and delivered. In addition, it was very easy to assemble. They state it takes a few days for it to acclimate which is true. I'm still working on that piece. They also state it is very quiet which is very true and appreciated as my tank is in the family room where a lot of TV is watched. I would definitely get another if I still had my second tank and would recommend this to anyone of any experience level.

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Great Skimmer

Reviewers Rating Great

Posted: 3/8/2012 from NEW MILFORD, NJ UNITED STATES
3.5 5
Experience Level: Intermediate

Comments: The Skimmer is great and lives up to its name (MAX). The skimmer took out waste from day one. It fills up a lot because my old skimmer didn't its job. The only con I have is the pump gets rather noisy when I have had it on for three days straight. I just unplug it and then plug it back in and its silent again.

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Reviewers Rating Excellent!

Posted: 2/29/2012 from LONGPORT, NJ UNITED STATES
5.0 5
Experience Level: Expert

Comments: Just replaced an old unit with this one and couldn't be happier. Easy to install and within 24 hours could see the difference in my tank. Great product!

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Great Value

Reviewers Rating Excellent!

Posted: 2/1/2012 from ALLEN, TX UNITED STATES
5.0 5
Experience Level: Intermediate

Comments: So far this seems to be a great skimmer at a very good value. Still cycling my new tank, but this skimmer is working great so far. Good fit for tight sump spaces. Making nice bubbles and looks like it is going to do a great job. Nice construction as well, easy to adjust and tweak to get the exact skimate you are looking for.

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Aquamaxx 250

Reviewers Rating Excellent!

Posted: 1/19/2012 from MORENO VALLEY, CA UNITED STATE
5.0 5
Experience Level: Intermediate

Comments: Mann this skimmer is au beast alot bigger then what i thought. but can it handle my 135gl with 30gl sump! well a few days later i had green slim in my cup which was a good sign water much clearer, but i need a auto top jbj to keep water level the same but as still pulling green slim out tank.... im very pleased with my aquamaxx 250 it gets the job done..

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Reviewers Rating Excellent!

Posted: 1/6/2012 from WESTON, MA UNITED STATES
4.5 5
Experience Level: Expert

Comments: In the evening, before I go to bed, instead of kissing my kids goodnight, I go downstairs and kiss my AM200S. I jest. But this skimmer is great. Very well built, solid, easy to clean and remove skimmate cup, awesome customer support (answer every email promptly and in a detailed manner). Granted my old skimmer was undersized for the tank, but this skimmer is pulling out 1+ cup (I'm intentionally running slightly wet) of skimmate a day. Took 2 days to break in. The only reason I took off 1/2 star is that I thought it would be completely silent, which it is not. It's about as loud as my Mag3, which is not what I expected.

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of 3
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