Skimz Monzter SM161 Internal Protein Skimmer

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The Skimz Monzter E-Series SM161 Internal Protein Skimmer gives you high performance skimming at a great value. Bubble plate design minimizes pre-mature bubble bursting which also reduces height of the skimmer.

  • Rated for tanks 132 - 317 gallons (500-1200 Liters)
  • BRS Recommended for tanks up to:
    • Heavy Bioload (Most Common) - 120 gallons
    • Medium Bioload - 150 gallons
    • Light Bioload - 200 gallons
  • Air intake: 206 GPH (780 LPH), making it capable of handling a higher water throughput.
  • Operating Depth: 7" to 9.5"
  • Low power consumption and high performance
  • Design allows cleaned water to exit bottom practically bubble-free
  • Skimmer draws water directly from sump
  • Features a Skimz ES2800 Needlewheel Pump - no feed pump required


Skimz Manufacturer's Manual



  • Integrated cylindrical and cone shape chambers help reduce bubble bursting and surface agitation
  • Bubble Plate Design - reduces turbulence
  • Maximum air flow capacity in compact design
  • Micro-adjustable valve for precise water level control
  • Twist-lock neck for easy collection cup removal
  • Quality construction - CNC machined parts and Georg Fischer fittings
  • Internal application - no feed pump required


Skimmer Specifications:

  • Body Diameter: 6.3" (160mm)
  • Foot Print: 7.4” x 7.4” (188mm x 188mm)
  • Total Height: 21.5” (545mm)


ES2800 Needlewheel Pump Features:

  • Skimz worked with an Italian pump manufacturer, using advanced material for the needlewheel impeller, seamless-coated rare earth magnet for durability and high performance.
  • Air Draw: 206 GPH (780 LPH)
  • Power Consumption: 13 Watts
More Information
Variable Speed No
Air Draw 780 LPH
Power Type AC
Power Consumption 13W
Power Cord Length 6 Feet
Skimmer Type In-Sump / Internal
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Product Questions

Looking for a skimmer for 125g display (165g total ), with limited space in sump. This looks like a good choice but does the cup have remote collection drain? I use a float switch on an apex in remote jug, does this come ready for that?
Question by: Sam on May 17, 2016, 6:07 PM
Great question!
This will not include a drain line in the collection cup unfortunately. One could be added of course by drilling the collection cup and adding a small bulkhead or other adapter.
Answer by: Connor on May 18, 2016, 5:54 PM