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Refugium Nano

Refugium Nano


You can now see the refugium nano running on youtube...

The Refugium allows the removal of phosphates and nitrates within your system... with the help of a little caulerpa or similar for marine and elodea or similar plants for freshwater.

The Refugium allows the removal of phosphates and nitrates within your system.

The Refugium will allow a Breeding Ground for small Critters to thrive ... feeding the aquarium inhabitants in the process.

Kit Consists of :
Refugium Nano, Spray Bar, Piping, Caribsea Arag-live, Coral Sand, Pump and LED Light.

International Customers.
The pump and light comes supplied with plug to fit customers country plug socket... ie EU, USA etc.

Cleartides Refugiums are designed to hang-on the side or back of an existing aquarium

Aquarium Capacity

Freshwater : 50 gals / 200 l

Marine : 40gals/ 180 l

Dimensions :

Length : 250mm

Width (front to back) : 70mm

Depth (top to bottom) : 200mm

Hang-On Bracket Width : 30mm

  • Instructions

    Refugium (Standard)

    1. Fit refugium securely to outer-side of the Aquarium or sump, using screws (supplied) to do so.

    2. Place supply pump to inside (in water) of aquarium/ sump close to the refugium.

    3. Secure pipe work (12/13mm) to outlet of pump and run the pipe work to inlet of refugium (12mm). Check spray bar is secure.

    4. Add the 90o elbow and tubing if required to aid silent running. Gluing into place maybe required.

    5. Add mineral mud to the refugium and lay the sand directly on top of the mud.


    6. Look over all fittings fitted to the refugium and start pump supply to the refugium.


    7. Add power to pump and water should start to flow into the refugium. Allow to fill.


    8. The water flow should then exit the refugium via the outlet. Add elbow and silent tube to the exit if required.


    9. Add lighting unit the lip of refuge, using either the internal or outer lips… whichever suits your setup best.


    10. Check running after a few hours to make sure everything is running as it should.


    11. After a period of 4 days, the refugium should be up and running nicely. Add inhabitants and caulerpa to the refugium as required.


    12. Periodically check the flow through the unit and remove blockages etc where necessary.



    This system is a natural filtration system that simulates the environment found in coral reefs.


    You do not need a protein skimmer although if you are using one at present you are advised to run it for an hour approximately twice a day until the filter has begun maturing.


    The water is kept well oxygenated through the photosynthesis of caulerpa eliminating the need for air pumps.


    Run the lamp 24 hours a day causing the caulerpa to grow only through photosynthesis. The caulerpa will prevent the unwanted growth of hair algae within the main tank by competing for the essential nutrients.


    The growth of the caulerpa can be controlled by harvesting it with scissors to use as a fresh natural food for your fish.


    Fishes living in a system operating with a well established refugium remain much healthier and more colourful. Research has shown that this natural filtering helps prevent and can even cure Lateral Line Disease. This is the most cost effective way to keep your tank perfect.

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