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Tunze Comline DOC Skimmer 9012


 Product Description

The large Comline® DOC Skimmer 9012 is designed for use in mixed reef aquariums or soft coral aquariums from 200 to 1200 liters (53 to 317 USgal.), or for sensitive reef biotopes with hard corals up to 500 liters (132 USgal.). It operates according to the Tunze® Flash Skimming Principle and acquires the water through an efficient surface suction with a surface film removal, and can therefore also be used as a "stand-alone" solution in the aquarium. The TUNZE® Foamer generates large volumes of fine air bubbles with a diameter between 0.1 and 0.3mm (.0039 to .011“) and is especially quiet during the operation.


Silicone buffers on the skimmer prevent the transfer of vibrations to the aquarium glass pane. The Comline® DOC Skimmer with a Magnet Holder for glass up to a thickness of 15mm (1/2”) is delivered installation-ready.



  • Surface suction with surface film removal
  • Intermediate chamber with a patented anti-overfoaming system
  • Large, easy to remove, collection cup that also contains the foam reactor
  • Air flow regulator and silencer for an exceptionally quiet operation
  • Silicone buffers on the skimmer prevent transfer of vibrations and noise
  • High air flow performance and low energy consumption
  • Patented magnetic holder for glass up to 1/2" thick
  • Bubble-free outgoing water


  • Capacity: 53 to 317 gallons (200 to 1200 liters), depending on bioload
  • Immersion depth: approx. 10" to 11" (255mm to 285mm)
  • Skimmer cup volume: 0.18gal (0.7L)
  • Flow rate: approx. 105 GPH (400l/h)
  • Power Consumption:13W, 115V/60Hz
  • Dimensions with Magnet Holder: L 5.5 x W 4.3 x H 16.3 in (L 140mm x W 110mm x H 415mm)
  • Silence Magnet Holder for up to 15mm (1/2“) glass thickness

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