10w or 20w led floodlight for refugium?

Discussion in 'Lighting' started by Antonio, 11 Mar 2015.

  1. Antonio

    Antonio

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    Hi
    I currently have a 3w led down lighter but I'm getting more macro algae growth in my DT than refugium so want to get more light for the fug. what size floodlight would you suggest?

    [​IMG]
     
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  3. Lord_Blackadder

    Lord_Blackadder

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    10w should be fine for that size.
     
  4. butcherman

    butcherman Moderator MASA Contributor

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    i use the 10w spot light at builders for my sump, it grows macro algae well
     
  5. Antonio

    Antonio Thread Starter

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    Thanks.

    Thanks.
    Do you think ill be able to keep mushroom frags under it?
     
  6. butcherman

    butcherman Moderator MASA Contributor

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    yes it should work if they are close to the surface
     
  7. LCornelius

    LCornelius Moderator

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    10w will be more than enough, 20w will be an overkill.
     
  8. zippy

    zippy

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    try to lower it a little if possible, they tend to grow a nice film of coralline on the inside of the skimmers if you have light on it. However when you do extend it make sure you are able to push it out the way when you need to get in somewhere.

    Also try have it run in the evenings so when you DT lights go out you have the sump lights come on, this helps a little with parameter stability.
     
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