Ultra Reef

Akula UKS-180 Protein Skimmer - Ultra Reef

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If true craftsmanship and build quality are your top priorities when selecting a protein skimmer for your aquarium, you can’t do better than an Ultra Reef. The moment you hold an Ultra Reef Skimmer in your hands, you know you’re holding something of lasting quality and performance. Akula skimmers were built to be compact and quiet, utilizing an internal Sicce PSK skimmer pump, but they cut no corners and every component is well thought out and precisely machined from premium materials. 


The unique threaded outlet body allows for extremely precise and reliable tuning, and the silencer keeps air draw noise to an absolute minimum. All components can be disassembled for thorough cleaning, while the needle wheel pump can be accessed by removing the titanium locking screws on the conical chamber. The skimmer also has an innovative Easy Flip seal, which allows for the easy removal of components for maintenance.



  • Solid PVC & Acrylic construction
  • Titanium Screws
  • Quality Sicce skimmer pump
  • Precision adjustments
  • Quieter than a whisper


Quality craftsmanship down to the screws

Ultra Reef skimmers and reactors are made via CNC machining from full blocks of high quality, dense PVC, and the skimmers are assembled with anti-corrosive titanium screws for an extremely long service life. Ultra Reef is also ISO 9001 quality certified, underlining the company's commitment to quality assurance and consistent improvement.


BRS Recommended for tanks up to:

  • Heavy Bioload (Most Common) - 79 Gallons
  • Medium Bioload - 125 Gallons
  • Light Bioload - 185 Gallons


Skimmer Specifications

  • Footprint: 7.48" x 9.84"
  • Height: 22"
  • Air Draw: 185-211 GPH (700-800 l/h)
  • Water Intake: 369 GPH
  • Power Consumption: 25 Watts
  • Recommended sump water depth: 8"-10"


What's Included?

1x Ultra Reef Akula UKS-180 Protein Skimmer

More Information
Product Name Akula UKS-180 Protein Skimmer - Ultra Reef
SKU 232305
Maximum System Volume 101 - 150 Gallons
Recommended Tank Size 51 - 100 Gallons, 101 - 150 Gallons
Skimmer Body Types Internal
Wattage 22 Watts
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Product Questions

I currently have a Red Sea Reefer 350 with a Reefmat 500 filter. Could you tell me if you would advise the 160 or the 180 for this skimmer. I still have the original fresh water top off in my sump, and would like to add the smaller 160 as hopefully this will fit in my sump as is, but I don't want to get too small of a skimmer.
Question by: Josh Suter on Nov 4, 2022, 4:43 PM
Thanks for the question! Since you have the ReefMat on this tank the smaller 160 would be a great option for this particular tank volume. The 180 may be a bit too big since the fleece roll helps with the same job as the protein skimmer a bit. Please let us know if we can help with anything else!
Answer by: Kyle Thomas (BRS Staff) on Nov 9, 2022, 1:12 PM
Which Sicce pump is the replace for the Akula 180 model?
Question by: Lorne on Mar 24, 2022, 10:38 PM
Hey there,
Thank you for reaching out to us. That is the Sicce PSK 1000+.

Please let me know if you need anything further and take care!
Answer by: Matt Lucero (BRS Staff) on Mar 29, 2022, 10:38 AM
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