1. Jul 19, 2009 #1
   Cedar Falls

   fmsill Well-Known ReefKeeper

   445

   Cedar Falls

   Ratings:

   +6 / 0 / -0

   
   Im not sure what bulbs to use. Bought 2 400 watt galaxy ballast and large lumen bright reflector. Im thinking of going with coralvue 14k or 20k bulbs. Im not gonna run actinics so i want a bluer looking bulb. If not coralvue what brands are everyone else running. Any suggestions would be much apreciated.
   Brian
   

    
2. Jul 19, 2009 #2
   

   slovan Experienced Reefkeeper

   1,834

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   I had a good experience using XM 20K with great growth and color. However, I had them on a M59 ballast and not electronic. I am guessing they will still look pretty good on an electronic ballast. Radium bulbs are nice but a lot more money. They are tough to beat in terms of output and color when used with an HQI ballast.

    
3. Jul 19, 2009 #3
   

   snowman82 Experienced Reefkeeper

   1,412

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   yeah from what i have heard radiums are the way to go if you have an HQI ballast

    
4. Jul 20, 2009 #4
   

   B-Rad Inactive User

   999

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   I would go with the 20k with the 400w ballasts. How tall is your tank?

    
5. Jul 20, 2009 #5
   Cedar Falls

   fmsill Well-Known ReefKeeper

   445

   Cedar Falls

   Ratings:

   +6 / 0 / -0

   
   My tank is 29 inch deep
   

    

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