Tunze skimmer 9012.001

Comline DOC 9012 DC - TUNZE

Recommended based on tank load for marine aquariums from 200 to 1400 liters.

- Immersion depth: approx. 255 to 285 mm

- Skimmer capacity: 0.7 liters
- Air capacity: approx. 450 l/h
- Power consumption: approx. 17 W (max. 21 W)
- Power adapter: 100-240V / 50-60Hz
- Cable length: 3 m for Turbelle® controller
- Dimensions (L x W x H): 140 x 110 x 415 mm
- Silence magnetic holder for glass up to 15 mm thick.

Technical Characteristics

How to choose the right DOC skimmer for a saltwater aquarium?

Each marine aquarium has, due to an individually created biotope, a different sensitivity to organic compound load. The assumptions regarding tank size are for the average soft coral marine aquarium, so these recommendations may vary depending on the biotope composition. Therefore, for sensitive biotopes, when choosing a skimmer, the recommended volume should be reduced or, if necessary, corrected.

Low sensitivity, no correction

In aquariums containing soft corals, such as long polyps and anemones, the amount of dissolved organic compounds can be higher and sometimes even essential for life.
The DOC skimmer for this aquarium volume can be used without the need for a patch.

Medium sensitivity, 40% reduction

In mixed tanks containing soft and hard corals (LPS), a medium sensitivity to changing organic conditions is generally observed. Zooplankton, sponges, etc., are also often found here. For these aquariums, a correction of about 40% of the indicated skimmer capacity is calculated.
A DOC skimmer up to 1000 liters should be used for a maximum tank of about 600 liters.

High sensitivity, 60% reduction

SPS-dominated stone aquariums require a particularly high degree of water purity. They must not be loaded with phosphate or nitrate. High oxygen saturation and clear water are indispensable. The DOC Skimmer is often used in these aquariums as a "standalone" solution.
A DOC skimmer up to 1000 liters should be used for a tank of about 400 liters.

High sensitivity and high load, 70% reduction

Aquariums containing hard corals and many fish require a very high skimmer capacity. A skimmer must provide a high degree of water purity for stone corals with a relatively large number of fish. When used as a "standalone" skimmer, it must be particularly efficient.
A DOC skimmer up to 1000 liters should be used for a tank of about 300 liters.

In plankton breeding tanks 70% reduction

Hard corals or plankton breeding tanks for feeding require a particularly high degree of water purity. High oxygen saturation and clean water are indispensable.
A DOC skimmer up to 1200 liters should be used for a tank of about 360 liters.

The TUNZE® Comline®

Compact aquarium components for internal operation, ultra-functional, sophisticated, with clearly defined lines.
The Comline® is a range of multifunctional products: surface and substrate zone intake, high-flow propeller pump filter, flash protein skimming, the system creates a natural environment in the aquarium with a compact footprint. The goal is more performance with less space. Comline® components meet these requirements and the visual harmony of the aquarium is maintained. There is no longer a need to hide technical equipment in the aquarium; on the contrary, it becomes an integral part of it. The system is very efficient; all organic pollutants are removed directly from the environment, while the water path is short and direct. The risk of leakage is almost zero. The highly efficient technology allows for the reduction of internal equipment volume and significantly reduces energy consumption.

Comline® DOC Skimmer 9012

The large Comline® DOC Skimmer 9012 is designed for large marine and mixed aquariums, and soft coral aquariums ranging from 200 to 1200 liters, or for sensitive biotopes of hard coral reefs up to 500 liters. It operates on the principle of instant skimming by TUNZE® and draws water from the surface layer where dirt is removed. As a result, it is used in aquariums as a standalone solution. The TUNZE® Foamer generates a large number of small air bubbles with a diameter of 0.1 to 0.3 mm and is extremely quiet.
The silicone pads on the skimmer prevent the transmission of vibrations to the aquarium glass. The Comline® DOC Skimmer 9012 is ready to be mounted with a magnetic holder for walls up to 15 mm thick.

Flash Skimming

The Flash Skimming principle ensures efficient foam production and high machine performance.
Principle: The protein-rich surface water layer is very intensively mixed with air by the TUNZE® Foamer. During the formation of air bubbles, waste such as proteins, cellulose, dead cells, etc. are collected on the surface, resulting in small bubbles with a diameter of 0.1 to 0.3 mm. The water and air bubble mixture is relaxed and stabilized in the skimmer, then the water returns to the aquarium, and the air bubbles with the proteins move to the foam tank reactor. The patented Anti Overfoaming system - an intermediate chamber with a water distributor prevents the skimmer from boiling over and regulates the foam efficiency according to the water level and biological load.

With Flash Skimming, particularly high efficiency can be achieved compared to modular skimmers with a long contact time, as in this case, the substances absorbed by the bubbles do not detach but return to the aquarium water.