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Simplicity 120DC In-Sump Protein Skimmer

Simplicity 120DC In-Sump Protein Skimmer

SKU: T179

Elevate your saltwater aquarium with the Simplicity 120DC In-Sump Protein Skimmer, a compact marvel delivering premium aquarium supplies. Engineered for performance and value, this skimmer combines a hybrid cone design, controllable pump, and needle wheel impeller, ensuring exceptional waste removal for aquariums up to 120 gallons. Achieve custom control with three adjustment points, independently managing water level, air intake, and pump flow rate. The controllable pump, feed mode, and easy-to-maintain features make it user-friendly. The compact hybrid cone design stabilizes the foam column, maximizing waste removal while conserving space. With a durable needle wheel impeller and low power consumption, this skimmer exceeds expectations at an unbeatable value, providing an unparalleled underwater experience. The Simplicity 120DC includes a 3-year warranty and essential components for seamless installation, offering aquatic enthusiasts a reliable and cost-effective solution.

Simplicity 120DC In-Sump Protein Skimmer


The Simplicity DC Protein Skimmer line packs performance, value, and control in a compact footprint. The hybrid cone design features three control points, a controllable pump, and a needle wheel impeller. Available in five different sizes to suit aquariums between 50 and 500+ gallons and covered by a 3-year prorated limited warranty, and unlimited lifetime, US-based support.

  • Exceptional Waste Removal
  • Custom Control
  • Easy-to-perform Maintenance
  • Low Power Consumption
  • Unbeatable Value

Exceptional Waste Removal

Pulls in more air than expensive competitors producing a dense waste-removing foam. The hybrid cone body helps concentrate the foam as it rises and improves contact time.

Custom Control

Perfectly dial in the skimmer with three points of control. Independently adjust the water level, the air intake, and the flow rate of the pump and achieve the best performance for your unique system.

Controllable Pump

Increase or decrease the water flow rate with the touch of a button. This feature is helpful when adding medications or foods to the tank that can cause the skimmer to overflow. The built-in feed mode allows the pump to be turned off temporarily with the touch of a button.

Compact, Hybrid Cone Design

The hybrid cone design stabilizes the foam column and concentrates it as it rises, maximizing waste removal.

Needle Wheel Impeller

A durable needle wheel impeller is the powerhouse of the pump creating tons of microbubbles that capture detritus and push it into the collection cup.

Easy-to-perform Maintenance

The thumbscrew assembly makes taking the skimmer apart simple, and the bayonet locking collection cup is simple to remove and clean. Includes a built-in collection cup drain for those away from their tank for an extended time.

Low Power Consumption

The DC pump is energy efficient and safer than a similar sized AC pump.

Unbeatable Value

Other skimmers with similar features sell for more than double the price. 


What's Included (i.e., what’s in the box)

  • Simplicity 120DC Protein Skimmer
  • Simplicity 120DC Skimmer Pump
  • Quick Start Guide
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