Annual Warehouse Inventory - Minor Shipping Delays Will Occur


Skimz Monzter SM121 Internal Protein Skimmer (DISCONTINUED)

In stock
65% of 100

Earn 191 Reward Points

- +

    The Skimz Monzter E-Series SM121 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 53 - 198 gallons (200-750 Liters)

    BRS Recommended for tanks up to:

    • Heavy Bioload (Most Common) - 70 gallons
    • Medium Bioload - 90 gallons
    • Light Bioload - 120 gallons



    • 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
    • Air intake: 143 GPH (540 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 ES2000 Needlewheel Pump - no feed pump required


    Skimmer Specifications:

    • Body Diameter: 4.72" (120mm)
    • Foot Print: 6.25” x 7”
    • Total Height: 21” (530mm)
    • Cup Diameter: 150 mm


    ES2000 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: 143 GPH (540 LPH)
    • Power Consumption: 12 Watts


    Skimz Manufacturer's Manual

    More Information
    Product Name Skimz Monzter SM121 Internal Protein Skimmer (DISCONTINUED)
    SKU 208140
    Out of stock message DISCONTINUED
    Maximum System Volume 101 - 150 Gallons
    Recommended Tank Size 101 - 150 Gallons
    Skimmer Body Types Internal, Space Saver
    Variable Speed No
    Write Your Own Review
    You're reviewing:Skimz Monzter SM121 Internal Protein Skimmer (DISCONTINUED)
    Your Rating
    Only registered users can write reviews. Please or