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  1. #1
    Council
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    how much light required to grow caulerpa in a sump.

    I've rebuilt my sump to my liking, with the intention being to grow feather caulerpa in the sump. The sump is a 10 gallon and the "caulerpa chamber" is about half the size of the sump. At the moment I have a 15 watt light above it which is on 24/7 and a 55 watt incandencent(sp) lamp during the day.

    Is the 15 watts alone enough to grow & maintain the plant, or should I invest in more / larger light. I can't keep the 55 watt on all the time as it gets the fixture and the tank too hot.

    Thanks for your ideas.

  2. #2
    Just Moved In
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    I started out with 2-13 watt PC's. Moved them to canopy for dusk effect and put in 32 watt PC on 24/7. I have seen 2-20 watt striplights used with success.
    How can you eat fish at a Red Lobster and then go home to face your tank? THATS COLD!

  3. #3
    Governor
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    sounds like a job for loa 9266 ,its what i use over my 10g refugium.under 40 dollars with power cord at home depot.

  4. #4
    Governor
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    and as for how much light to use,the more light the better,more light =more growth=more nutrient export.hth

  5. #5
    Council
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    It can grow and do well under the light you have. This might be a question for someone who knows a bit more about photosynthesis to answer. IME the stuff will do great under intense lighting, do well under everything else. It is pretty much a weed and will grow just fine under what lighting you have now.

    I personally have one of the 9266 Flourex fixtures from Home Depot. It works great and is in a great splash resistant() housing. These give a good amount of light for macro algaes and corals can even do well under them. I am running a bit of xenia in our refugium right now as a test. Could be a really good place for a xenia farm. At any rate I have used this light for about 6 months with no complaints and great growth results.


 

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