Tunze DOC Skimmer 9415


The Tunze DOC Skimmer 9415 is a very high performance skimmer with a surprisingly small footprint. It has been designed specifically for use in reef aquaria with a total volume of up to 1,500 litres.

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The Tunze DOC Skimmer 9415 is an internal model designed for use in a sump, which must be at least 100 – 200 mm deep. This skimmer offers the same performance as much larger models that require a great deal more energy to power them, yet only requires 15 Watts. Furthermore, it performs quietly and could not be easier to operate.

The DOC Skimmer 9415 is equipped with a patented Anti-Overfoaming System® which regulates its skimming action, depending on the surface tension of aquarium and sump water levels. This enables it to operate by itself, so as to maximise efficiency. It also has a nipple for connecting an air pump and ozonizer. Ozone helps with this process, raising redox potential while reducing yellowing matter in the water.

A 300 µm nylon post-filter is installed at the outlet of the skimmer and can be removed if desired. This acts as a mechanical filter that traps any residue that passes through the skimmer. The post-filter cavity is also able to be filled with other types of filter media, such as activated carbon or phosphate remover. Spare filter bags can be readily acquired as a replacement item.


  • Power: 15 Watts
  • Air Capacity: 1000 L/H
  • Aquarium Capacity: 1500L
  • Voltage: 230 V
  • Flow Rate: 900 L/H
  • Immersion Depth: 100 mm to 200 mm

Additional information

Weight4 kg