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http://indianaquariumhobbyist.com/community/ :: View topic - 30000K Metal Halide Lamps.
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30000K Metal Halide Lamps.

 
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dasharath
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PostPosted: Wed Jan 21, 2009 7:42 pm Post subject: 30000K Metal Halide Lamps. Reply with quote

 I  recently  acquired  150Watt  ,  30000K  Metal  Halide  Lamps  for  my  150G  Marine  Tank.  What  will  be  the  effect  of  30000K  lights  on  invertibrates  or  reef?  Any  IAHans  have  experience  of  using  the  same?
 Whether  higher  color  temperature  reduces  watt/gallon  requirement?
 Experts  please  comment.
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psimhan
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PostPosted: Wed Jan 21, 2009 8:23 pm Post subject: Re: 30000K Metal Halide Lamps. Reply with quote

 30000K  is  too  much  blue  for  for  a  reef.  I  am  not  even  sure  what  that  colour  temperature  will  show  as  but  it  will  not  do  any  good  for  your  marine  tank.
 Stick  to  6500K  -  14000K  for  your  marine  tank.
 
 And  No,  higher  colour  temperatures  do  not  compensate  for  wattage.
 Read  up  on  colour  temperature.
 
 http://www.reefkeeping.com/issues/2006-05/sj/index.php
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rahulk
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PostPosted: Wed Jan 21, 2009 9:02 pm Post subject: Re: 30000K Metal Halide Lamps. Reply with quote

 6500  k  will  give  you  best  growth  of  corals,  20000  k  will  give  the  corals  good  colour.
 Best  comprimise  is  14000  k.
 
 30000  will  be  too  blue  &  will  have  less  lumen  and  PAR  compared  to  6500  k.
 
 You  can  mix  another  10000  k  light  to  give  a  plesent  look.
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HajiBadaruddin
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PostPosted: Wed Jan 21, 2009 9:54 pm Post subject: Re: 30000K Metal Halide Lamps. Reply with quote

 I  have  tried  the  CORALIFE  flourescent  tubes  many  years  back  .........  yes  they  do  great  for  the  color  ie  blue  ......  However  I  would  in  the  future  stick  to  the  10K  ones.
 
 Actually  it  depends  on  what  you  keep,if  you  have  soft  corals  or  LPS  types,then  the  150  watts  would  be  great.But  for  acroporas  sp  the  you  must  go  for  the  250watts  lighting,trust  me  the  corals  will  out  grow  your  tanks   Smile
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Shankar
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PostPosted: Thu Jan 22, 2009 4:26 pm Post subject: Re: 30000K Metal Halide Lamps. Reply with quote

                                                   
dasharath  wrote  (View  Post):                
I  recently  acquired  150Watt  ,  30000K  Metal  Halide  Lamps  for  my  150G  Marine  Tank.  What  will  be  the  effect  of  30000K  lights  on  invertibrates  or  reef?  Any  IAHans  have  experience  of  using  the  same?
 Whether  higher  color  temperature  reduces  watt/gallon  requirement?
 Experts  please  comment.                

 
 How  deep  is  the  tank?
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dasharath
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PostPosted: Thu Jan 22, 2009 5:02 pm Post subject: Re: 30000K Metal Halide Lamps. Reply with quote

 @  shankar
   Tank  Size  =  5'  x  2'  x  2'
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Shankar
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PostPosted: Thu Jan 22, 2009 5:03 pm Post subject: Re: 30000K Metal Halide Lamps. Reply with quote

 And  what's  the  light  demanding  reef  life  within?
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dasharath
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PostPosted: Thu Jan 22, 2009 5:31 pm Post subject: Re: 30000K Metal Halide Lamps. Reply with quote

 @  Shankar
 Right  now  I  have  FOWLR  setup....planning  to  keep  soft  coral  &  anemone.


Last edited by dasharath on Thu Jan 22, 2009 6:20 pm; edited 1 time in total
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Shankar
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PostPosted: Thu Jan 22, 2009 5:37 pm Post subject: Re: 30000K Metal Halide Lamps. Reply with quote

 Acropora  will  be  hard  to  find  in  Mumbai.  Even  if  you  do,  may  not  be  in  prime  health.  They  dont  travel  well.
 
 Got  no  experience  with  Montipora,  hence  hard  to  comment  on  the  requirement  of  30000K  light.
 
 Overall,  as  most  of  the  members  have  said,  I  would  agree  too.
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