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http://indianaquariumhobbyist.com/community/ :: View topic - Which MH should I go for?
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Which MH should I go for?
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tryst
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PostPosted: Wed May 31, 2006 6:48 am Post subject:  Reply with quote

 Hi  Amitava,  
 
 As  far  as  lighting  is  concerned  ,  you  should  go  for  2.5  -  5w  per  gallon  of  water.Now  you  can  calculate  your  requirement.
 
 Thanks
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fishmad_fakhruddin
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PostPosted: Wed Jun 28, 2006 5:53 pm Post subject: Which metal halide to be used? Reply with quote

 hi  IAHians,
 I  have  an  electrical  business.
 I  have  an  issue  regarding  MH
 one  of  my  customer  who  has  a  coral  tank  wants  to  place  a  metal  halide  fitting  in  his  tank,  it  is  a  coral  tank.
 
 he  has  the  following  requirements
 1)  he  wants  to  place  it  at  a  three  feet  height
 2)  he  wants  it  in  radium  blue  colour,  blue  travels  more  than  any  other  light(even  white  tube  will  do)
 3)  he  wants  it  in  70  watt  or  150watt
 4)  according  to  him  he  has  got  the  information  that  it  has  to  be  20000kelvin.
 
 can  aquagurus  and  senior  aquarist  please  hlp  me  in  this  matter?
 
 fishmad_fakhruddin
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rahulk
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PostPosted: Wed Jun 28, 2006 6:14 pm Post subject:  Reply with quote

                                                   
Quote:                
1)  he  wants  to  place  it  at  a  three  feet  height  
 2)  he  wants  it  in  radium  blue  colour,  blue  travels  more  than  any  other  light(even  white  tube  will  do)  
 3)  he  wants  it  in  70  watt  or  150watt  
 4)  according  to  him  he  has  got  the  information  that  it  has  to  be  20000kelvin.  
 
                 

 
 1)  3  feet  high  from  the  water  surface?  what  is  the  height  of  the  tank?
 
 2)  Yes  Blue  will  penetrate  deeper  into  water  than  other  colours
 
 3)  this  will  not  be  enough  if  it  is  3  feet  from  the  water  surface(what  are  the  tank  dimensions  and  corals  that  he  has  got  ?)
 
 4)  20000  kelvin  is  more  towards  the  blue  so  more  penetration.  10000,14000  and  20000  k  are  good  for  reef  tank.
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fishmad_fakhruddin
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PostPosted: Wed Jun 28, 2006 6:46 pm Post subject:  Reply with quote

 hi  IAHians,
 the  corals  he  has  are  
 Zooanthids,  Mushrooms,  Leather  and  Zenia
 
 The  Dimensions  are  48X24X24
 
 plz  its  really  urgent
 
 fishmad_fakhruddin
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rahulk
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PostPosted: Wed Jun 28, 2006 6:51 pm Post subject:  Reply with quote

 You  will  need  2  Metal  halides  minimum,  It  should  be  kept  max  of  12  inches  from  water  surface.
 
 What  other  questions  do  you  have  ,  I  am  not  too  clear  of  what  you  are  asking  ?
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fishmad_fakhruddin
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PostPosted: Wed Jun 28, 2006 7:18 pm Post subject:  Reply with quote

 hi  IAHian,
 my  question  was  which  power  metal  halide  to  be  used,
 and  what  kelvin  is  necessary?
 and  in  which  company  will  i  get  it?
 
 i  want  to  save  the  guys  money  as  much  as  possible.
 
 fishmad_fakhruddin
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psimhan
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PostPosted: Wed Jun 28, 2006 7:24 pm Post subject:  Reply with quote

 I  would  go  with  the  10000K  with  actinics  or  the  14000K.  
 20000K    IMHO  is  a  bit  too  blue.    
 2*150W  should  do  you  fine.
 
 Also  the  zoanthids  and  mushrooms  require  low  to  moderate  lighting  ,  whereas  the  xenia  and  leather  need  moderate  to  high  lighting  so  they  will  have  to  placed  at  different  levels  in  the  tank.  
 You  also  have  to  acclamatise  the  corals  to  the  lighting  as  they  will  bleach  if  directly  put  under  MHs.
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fishmad_fakhruddin
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PostPosted: Wed Jun 28, 2006 11:42 pm Post subject:  Reply with quote

 hi  IAHians,
 
 i  got  your  point,  but  this  guy  has  already  two  tubes  of  actinics.
 ok  tell  me  one  thing,  the  fitting  required  for  every  150w  MH  is  the  same  type,  i  mean  to  say  will  the  same  fitting  used  for  MH  150w  of  Philips  with  4200K  work  for  the  same  for  any  other  metal  halide  of  the  same  power  i.e.  150W  irrespective  of  the  kelvin?
 
 fishmad_fakhruddin
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psimhan
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PostPosted: Thu Jun 29, 2006 12:01 am Post subject:  Reply with quote

 For  the  same  wattage,  it  might  just  be  a  question  of  changing  the  bulb,  if  you  get  a  10000K/14000K  buld  using  the  same  fixture  e.g  Mogul  Base  or  Double  Ended.  The  fittings  and  ballast  would  then  probably  be  the  same.
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harshal
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PostPosted: Fri Jun 30, 2006 10:59 am Post subject:  Reply with quote

 hi  fakhruddin
 
         The  fitting  will  be  the  same  if  the  wattage  of  the  bulbs  is  the  same.  The  holders  as  u'll  know  depend  on  what  kind  of  bulb  is  being  used,  normally  here  we  use  the  double  ended  bulbs.  Ofcourse  ans  to  your  question  the  fitting  is  not  depended  on  the  kelviens  of  the  bulb  used  only  wattage  matters.
 
       Hope  this  helped.
     Regards
         Harshal
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fishmad_fakhruddin
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PostPosted: Fri Jun 30, 2006 1:21 pm Post subject:  Reply with quote

 Thank  you  so  much  for  all  your  help
 
 i  knew  IAHians  are  always  ready  to  help
 
 fishmad_fakhruddin
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cokeamod
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PostPosted: Fri Jun 30, 2006 3:16 pm Post subject:  Reply with quote

 Hey  guys,
 where  can  we  get  a  14000k  mh?  I  mean,  which  company  offers  one?
 Regards,
 amod.
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tigger
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PostPosted: Fri Jun 30, 2006 3:27 pm Post subject:  Reply with quote

 i  think  Azoo  has  150W  14000K  MH
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cokeamod
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PostPosted: Fri Jun 30, 2006 11:52 pm Post subject:  Reply with quote

 No  re,  i  think  azoo  has  2000k  wala.
 By  the  way  rajeshji,  tell  me  when  do  i  come  to  see  your  ocean!?
 Regards,
 amod.
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cokeamod
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PostPosted: Sat Jul 01, 2006 12:13 am Post subject:  Reply with quote

 Oops....20000k  wala!  Knock
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