Comline® DOC Skimmer 9004

£118.30

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Comline Doc Skimmer

The Comline® DOC Skimmer 9004 is designed for use in seawater up to 250 liters (66 US gal.). 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 of between 0.1 to 0.3 mm (.0039 to .011 in.) and is especially quiet during the operation.
The Comline® DOC Skimmer with a magnet holder for glass up to a thickness of 12 mm (1/2”) is supplied installation-ready.

The “Flash skimming” principle enables highly efficient foam production.
Organic-rich surface water is mixed thoroughly with small air bubbles in the TUNZE® Foamer. On the surface of the air bubbles, pollutants such as protein, cellulose, dead cells, etc. are adsorbed immediately,
the air bubbles are very fine, with a diameter between 0.1 and .3mm. The water/air mixture expands and stabilizes in the skimmer cup reactor, the water returns to the aquarium, and the protein-loaded air bubbles spill over into the skimmer cup. The patented anti-overfoaming system intermediate chamber prevents the skimmer from verfoaming and controls the skimmer performance, depending on the water level and organic load.
The particularly high efficiency of the “flash skimming” principle, compared to large skimmers with long contact time, is obtained because the substances adsorbed by the air bubbles are not released again, thus they don‘t return to the aquarium water.


Comline Doc Skimmer 9004

Recommended, depending on tank load, from 60 to 250 litres (15 to 65 USgal.) of sea water.
Immersion depth: approx. 225mm to 245mm (8.86 to 9.65 in.), skimmer cup volume: 0.2L (.053 in.), air capacity: approx. 150l/h (40 USgal./h), 4W, 230V/50Hz (115V/60Hz), dimensions: L110 x W90 x H305mm (L4.3 x W3.5 x H12 in.), fixed by means of Magnet Holder up to a pane thickness of 12mm (3/8″).

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To Return Your Order:

  • Please use the contact us section to Email or Call with your reasons for return.
  • You must provide full details, your name, address and postcode.
  • Your date of purchase and the date you accepted delivery of the item.
  • Your reason for returning the item – unwanted / faulty / damaged etc
  • Please also state if you would like your item replaced or fully refunded.
  • And you must do so within 7 days of accepting delivery of your item.

We will contact you within 2 working days with our feedback and advise you further on returning your item. No refunds will be processed until they are received and fully inspected by one of our advisers. Where possible you can provide these details in person and return your items to our Glasgow store.

Please also revise our Policy’s below before getting in touch.

Standard Returns Policy

In all situations your item must be returned to us at your own expense. Your products are your responsibility until they are received for inspection by us in our Glasgow store.

We cannot in any instance accept returns for any damaged in transit goods if you have inspected and accepted delivery of the item. If the item is damaged upon arrival please do not accept delivery and contact us immediately. If you wish to return your item for other reasons we allow 7 working days to return any faulty or unwanted goods. Where possible we will endeavor to send out replacement parts and work towards a solution in replacing or refunding your item.

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In any instance we cannot accept return of any livestock purchase. We ask that you take the proper precautions before placing any order of livestock by fully researching the fish, coral or invertebrate. We cannot accept of the item once your order has been placed and/or received and reserve the right to deny refund. Special instances in which you have mistakenly ordered an unsuitable item and the item has not been processed for dispatch and still in our Glasgow store we can endeavor to cancel your order for you. We will always try our best to do what we can for our customers and we always ask that you try and get in touch with a customer adviser for any advice or help.

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If your livestock item is received Dead On Arrival we ask that you contact us immediately. We reserve the right to deny refund if we are not contacted within 24 hours after accepting delivery of your item. We reserve the right to deny refund in any instance we deem appropriate of any deaths of livestock removed from their original shipment packaging after 24 hours. We ask that you take a photograph of the livestock in its original packaging and use our contact us section to email us. We reserve the right to deny refund if we suspect any foul play or misconduct when handling your new livestock item.

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In any event we reserve the right to deduct postage and restocking fees.