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Coral Box Cloud C11 C13 DC Protein Skimmer

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Want to Try our Cloud 11 Skimmer? Contact Us if you want be First Customer Review(Photo / Video /Forum) on discount 

Why choose a  Coral Box Skimmer?

Factory direct to the end user, while other brands go from the factory to a distributor, shop and then the end user increasing the cost to you.

With the newly developed barrel body, the bubbles rise in a smooth cloud giving an efficient discharge of the dissolved organic waste, maintaining a stable water quality.

More rapid disassembly of the barrel body so that equipment maintenance is no longer a burden 

Smooth water level adjustment with a standing tube rotated to adjust the required skimming height


  • Cone shaped Skimmer providing more steady bubble management giving inproved efficiency. 
  • New intake silencer device to make it even more silent
  • Required water height  15cm to 30cm.   ( 6" to 12" )..Easy to place in your sump.


Cloud 11 is 32 x 34 x 61cm for 1200 to 2800Litres 
Cloud 13 is 40 x 35 x 68cm for 1800 to 3500Litres
  • Jebao DC6000 Pump and Controller for Cloud 11 
  • Jebao DC8000 Pump for Cloud 13
  • Air Intake over 1450 LHr to 2200LH (double the skimmer air intake for similar size other brand)
  • Watts :20W to 45W
  • Power : 110v to 240V 50/60hz

Review of the Cloud 9 Skimmer (Sweden)


Coral Box Cloud 9 Protein Skimmer Review

Italy Review

Coral Box Cloud 9 Protein Skimmer Spanish Review

Coral Box Cloud 9 Protein Skimmer Unboxing

Germany Review

Average Customer Rating: 5 based on 10 reviews. Write a review.

crissylakesb (Guest)
Best £ for £ skimmer
Awsome performance, best skimmer I've used better than Red Sea 1800 and better than 2 x TMC 900. Wouldn't buy any other skimmer again
Austin (Guest)
This skimmer is awesome!
I bought this to replace my old beckett injected skimmer that a ton of electricity and put out a ton of heat. So far it is pulling nice dark skimmate like I would like to see from a nice skimmer and uses a fraction of the electricity. For the price you can't beat it.
very good product , great buil quality
Cheap Beast
This skimmer is awesome. Its doing a mean job. Best of all its cheap as chips.....

I've been in the hobby 12 plus years so I know what I am talking about.

I would recommend this skimmer over more expensive dc skimmers any day.....
highly recommended
Excellent from the moment you connect it began to add and to remove all dirt, and have more than three weeks using it and really surprised me functioning as what I have to half power, highly recommended