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Aquarium Supplies
Home » Saltwater Aquarium Supplies  » Protein Skimmers  » In-Sump Skimmers  » Venturi Needle Wheel  »  AquaMaxx EcoMaxx In-Sump Protein Skimmer
AquaMaxx EcoMaxx In-Sump Protein Skimmer

AquaMaxx EcoMaxx In-Sump Protein Skimmer

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$314.99 to $839.99
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AquaMaxx EcoMaxx In-Sump Protein Skimmer Information

Product Manuals & Documentation

AquaMaxx EcoMaxx EM Series In-Sump Protein Skimmers efficiently remove organic waste from aquarium water. A powerful needle wheel pump generates optimally-sized air bubbles that force protein, waste and other materials into a collection cup for easy removal. The AquaMaxx EM Series is rated for aquariums 120-600 gallons yet are small enough to be concealed in a sump underneath your aquarium.

Computer-precision engineered and outfit with the latest filtration technology, AquaMaxx protein skimmers are engineered to deliver the performance and value you are looking for in a skimmer.

AquaMaxx EcoMaxx EM Series Skimmers are built using a brilliantly polished cell-cast acrylic. They incorporate the high-end features hardcore hobbyists demand at a price everyone can afford. The EM Series is equipped with bubble plates, modified cone necks, air silencers and needle wheel impellers for maximum performance, efficiency and whisper quiet operation. They also have compact footprints to make installation as easy as possible.

AquaMaxx EcoMaxx Skimmers feature custom Italian-made Sicce pumps with special needle wheel impellers to whip up 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.

AquaMaxx EcoMaxx Protein Skimmers are designed from the ground up with the hobbyist in mind. The pump is incorporated into the base of the skimmer for a space-saving design that will be easy to incorporate into your filtration system. A built-in air intake silencer further reduces noise for near-silent operation. The specially-designed transition cone neck effectively moves skimmate into the collection cup for removal. Bubble plates decrease turbulence, improve bubble formation and help skimmer performance.

  • Volume Rating: 240 Gallons
  • Footprint: 6.7" x 9.8”
  • Height: 22.8”
  • Chamber diameter: 6”
  • Outlet size: 1” Quick-Precise adjustment valve
  • Pump (included): Modified Sicce 2.0
  • Pump power consumption: 22 watts
  • Air Intake: 190 GPH (720 LPH)
  • Requires approximately 1/2" of clearance to remove collection cup.
  • Efficient, durable and reliable
  • Simple to set up and operate
  • Cell-cast acrylic construction
  • SCH80 fittings
  • Quick-Precise adjustment valve allows fast precision tuning of the skimmer water level to control wet/dry foam production
  • ShockMaxx rubber feet isolate noise and reduce vibration.
  • Italian-Made Sicce needle-wheel pump produces optimum bubble size for high-efficiency protein skimming.
  • Buffer chamber maximizes contact time allowing skimmate to move smoothly into the collection cup.
Model Item # Tank Size
Height FootPrint Pump Chamber
EM100 UJ00160 120 Gal 21.7" 6.3" x 8.6” Sicce 1.5 4.7"
EM200 UJ00161 240 Gal 22.8" 6.7" x 9.8” Shark 2.0 6"
EM300 UJ00162 340 Gal 22.8" 9.1" x 13" Shark 3.0 8"
EM500 UJ00163 500 Gal 22.8" 11" x 16” Shark 5.0 10"
EM600 UJ00164 600 Gal 22.8" 15" x 17" Shark 3.0 & 5.0 12"

All AquaMaxx products are backed by’s 60-day return policy and carry one-year manufacturer warranties. Each skimmer will include detailed instructions and diagrams to help hobbyists get up and running immediately.

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 EcoMaxx In-Sump Protein Skimmer Reviews

Average Rating
(24 reviews)
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of 3

Excellent Skimmer

Reviewers Rating Excellent!

Posted: 7/12/2014 from FAIRFAX, VA UNITED STATES
5.0 5
Experience Level: Intermediate

Comments: I bought the 200 a year ago and I was blown away by the increased performance of this skimmer. I bought it for the height to be honest as it was the best skimmer rated that would fit a short cabinet for a 134g heavy load reef/fish tank. I'm keeping it in the 134g, but I'm getting the macdaddy 600 for my new 240 gallon tank. I wouldn't rate my old skimmer that I replaced the 200 with as bad, but rather the AquaMaxx as just that much better. As I've seen on the ratings, they packed it like they're sending you a cow, but hey, that's a real good thing. A+++ skimmers

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Reviewers Rating Excellent!

Posted: 5/11/2014 from MIAMI BEACH, FL UNITED STATES
5.0 5
Experience Level: Expert

Comments: I bought the EM300 off a friend of mine who was breaking down his tank and WOW - I really like it. It works great, has a small footprint and really does a good job of skimming my tank. I recommend it to anyone looking to get a good skimmer. Good skimmer.

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EM600 is the best!

Reviewers Rating Excellent!

Posted: 3/26/2014 from HB, CA UNITED STATES
5.0 5
Experience Level: Expert

Comments: I am in love with this EM600 for the reasons below: - Super quiet with dual Shark pumps - Space saving footprint design without sacrificing performance with huge 12" chamber - It's built flawlessly and looks amazing. - Price is right.

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Aquamaxx EM300

Reviewers Rating Excellent!

Posted: 3/24/2014 from LINCOLN, AL UNITED STATES
4.5 5
Experience Level: Intermediate

Comments: I received the Aquamaxx EM300 today. It was packaged extremely well. It also appears to be well constructed. It also assembled in less than 5 minutes. It took longer to get it out of the box. I will install it over next couple of days and see how it performs. I will give performance feed back at a later date. I did test it in a tub of SW with skimmate from my other skimmer to see how it worked. Pulled all the nasty stuff out of bucket and produced the nastiest Skimmate. Hopefully it will perform this well on my tank. I am optomistic that its a good pc of equipment as my Aquamaxx HOB-1 is an incredible skimmer on my 20gal. I took away 1/2 star waiting on final testing on my 120 gal.

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happy !

Reviewers Rating Excellent!

Posted: 12/6/2013 from Everett, WA UNITED STATES
5.0 5
Experience Level: Intermediate

Comments: Very nice quality, I do wish it had an oring seal on the base/main body connection

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Great Skimmer

Reviewers Rating Excellent!

Posted: 12/6/2013 from GLENDALE, AZ UNITED STATES
4.5 5
Experience Level: Intermediate

Comments: I bought the EM-200 for a 125 gal tank with a medium to heavy bio load. The box it arrived in was rather large. So big in fact, I thought they sent me the wrong one. Upon opening it, I found an extremely well packaged and protected skimmer. This is a nice, well thought out product. Construction quality is top-notch and it took just few minutes to set it up. It runs dead silent. You almost have to put your ear right next to it to even hear it. Although it started producing skimmate within a few hours, it did take about a day and a half to break in and start producing deep, dark gunk. I'm happy with this purchase

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Works great

Reviewers Rating Excellent!

Posted: 11/24/2013 from WELLINGTON, FL UNITED STATES
5.0 5
Experience Level: Intermediate

Comments: I bought the EM300 to replace an AquaEuro cone skimmer that was a little too small for my 220g tank. Product set up is a snap (like the way the pump is housed in the chamber itself instead of in a stand below it like my old system). Unit began producing skimmate the first day with no break-in period. Excellent build quality, virtually silent and very easy to adjust with the dial-in air controller. Very reasonable cost for what you get. Definitely recommended.

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Best Skimmer

Reviewers Rating Excellent!

Posted: 10/25/2013 from RIVA, MD UNITED STATES
5.0 5
Experience Level: Intermediate

Comments: At first I was hesitant because it was a little bit pricier than other skimmer but the extra bucks are so look worth it,the skimmer is made of super high quality acrylic and has a huge collection cup. I have had the skimmer run for about 2 weeks and I have had to empty the cup about 20 times. The skimmer produces a thick brown green slim and keeps the water sparkling. Amazing skimmer

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Excellent Product!

Reviewers Rating Excellent!

Posted: 10/18/2013 from SoCal
5.0 5
Experience Level: Intermediate

Comments: I’m not one to give reviews but I thought I’d chime in on this product. I’ve used several skimmer brands and I have to say that the Aquamaxx EM300 has impressed me. It took a couple of days to break in and it is now pulling out junk like a champ. It is extremely easy to dial in. It is also easy to clean. Another plus is the pump. It is energy efficient at only 27 watts and is SUPER quiet. Make sure you have plenty of space in your sump. This is a beast. Not tall, but wide.

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Best Skimmer I Have Owned

Reviewers Rating Excellent!

Posted: 9/30/2013 from BROCKTON, MA UNITED STATES
5.0 5
Experience Level: Intermediate

Comments: This is my first needle wheel style skimmer and so far it is better than any other skimmer I have used. I bought the EM300 and could not be happier and would highly recommend it. For the price this skimmer I could not find a better value. It operates at an extremely quiet level so quiet I cant even hear it.

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