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http://indianaquariumhobbyist.com/community/ :: View topic - Chillers!
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Chillers!
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nytyn
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PostPosted: Sat Apr 02, 2005 10:15 pm Post subject: Chillers! Reply with quote

 Summer  is  here,  and  all  the  planted  tank  freaks,  and  marine  enthusiasts  should  sure  be  pretty  worried.
 
 I  am  looking  for  a  chiller  for  my  187  gal  display  marine  tank.  Pointers  anyone?  The  water  temp  goes  upto  30,  and  thats  whats  worrying  me.  The  reasons  being  ambient  heat,  and  the  halides  too.
 
 I  have  good  water  circulation[2  cannisters  running  at  1000  lph,  and  1  more  cannister  running  at  1100  lph].  Powerheads  pumping  a  total  of  3200  lph.  A  powered  venturi  HOT  skimmer  at  1600lph.  A  denitrator.  And....  lighting  is  by  two  150  Watt  14000K  Metal  Halides,  and  two  36  Watt  Actinic  blue  tubelights.
 
 Air  circulation  is  in  plenty,  as  the  fan  in  the  room  is  on  all  the  time.
 
 So,  here,  we  are  looking  to  drop  th  temp  to  say...  26,  from  a  maximum  of  34  probably.  in  the  187  gal  tank[  5  X  2  X  2.5  ].
 
 What  kind  of/capacity/brand  chiller  should  I  be  looking  at?
 
 Any  ideas  would  be  welcome.
 
 TIA!
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ravi
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PostPosted: Sun Apr 03, 2005 10:52 am Post subject:  Reply with quote

 Hi  Nytyn,
 
 Resun  chillers  are  available  here  in  Chennai.
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sagaraqua
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PostPosted: Sun Apr 03, 2005 11:12 am Post subject:  Reply with quote

 hello,
                   TECO  Chillers  are  also  available  in  delhi  AQUAZONA  EXPORTS.
   details.
   TECO  680  TW  2  E    X
   TW6/CT  (RA  680)
   230/v  (50-60  Hz)
   capacity  800-1000  litres  appoximate.
   
                   hey  nytyn  i  m  sure  this  chiller  will  empty  your  pocket  :lol:
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Madan
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PostPosted: Sun Apr 03, 2005 11:50 am Post subject:  Reply with quote

 Guys,
 
 Murali  from  Chennai  of  the  "Frontosas  from  Thailand"  fame  -  called  me  a  couple  of  days  ago.  He's  converted  an  old  165  liters  fridge  into  a  chiller.
 This  has  dropped  the  aquarium  water  temparature  of  a    4  x  1.5  x  1.5  feet  aquarium  to  18  Deg  C  overnight.
 
 He  bascially  called  to  know  the  different  methods  he  can  use  to  control  the  temparature,  after  some  info  from  me  he  was  controlling  the  temparature  at  22  Deg  C  and  still  fine  tuning  for  25  Deg  C.
 
 I  have  not  seen  his  setup,  but  it  should  be  very  good.  Get  in  touch  with  him,  for  more  information.
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nytyn
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PostPosted: Sun Apr 03, 2005 5:39 pm Post subject:  Reply with quote

 Cool!
 
 Ravi,  where  are  the  Resun  chillers  available?
 
 Shop  name,  and  phone  number  please!
 
 TIA!
 
 And  about  the  fridge  conversion  plan,  I  am  not  very  convinced  about  the  idea,  at  least  till  I  see  it.  Let  me  get  more  details.
 
 How  much  HP  would  I  need?  Can  someone  advise  on  that  please?
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venket
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PostPosted: Sun Apr 03, 2005 5:41 pm Post subject:  Reply with quote

 Hi  nitin,
 
 check  with  aqua  star.  They  had  chillers  last  time  we  guys  visited  them.
 
 
 Venket
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ravi
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PostPosted: Sun Apr 03, 2005 9:25 pm Post subject:  Reply with quote

 Hi  Nytyn,
 
 
                                                 
nytyn  wrote:                
Ravi,  where  are  the  Resun  chillers  available?
 
 Shop  name,  and  phone  number  please!                

 
 Mr  Vincent  Paul,
 Aquasstar,
 9,  Muthamizh  Nagar,
 Kamber  Nagar  End,
 Kolathur  Post,
 Chennai  -  600  099.
 
 +9144  25508989
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simba
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PostPosted: Sun Apr 03, 2005 9:45 pm Post subject:  Reply with quote

 Folks,
 
 I  have  read  a  few  articles  on  DIY  chillers  using  any  old  refrigerator.  The  idea  and  concept  is  brilliant  and  seems  very  easy.  What  is  done  is  a  couple  of  holes  are  made  thru  the  side  wall  of  the  fridge  body,  next  to  each  other  and  an  insulated  flexible  tube,  long  enough  to  hold  about  10%  of  the  aquarium  water  volume,  is  inserted  into  the  fridge.  Inside  the  fridge  is  a  bucket  like  container,  placed  at  the  base  of  the  fridge,  and  filled  with  water.  The  tube  is  then  coiled  inside  the  bucket  containing  water  and  the  same  tube's  other  end  is  taken  out  from  the  other  hole  on  the  fridge  body  and  goes  back  to  the  aquarium  carrying  the  chilled  water.  This  is  powered  by  a  simple  heavy  duty  powerhead  (  needs  some  research  or  trial  and  error  work)  that  pushes  the  tank  water  thru  the  tube  which  then  travels  back  to  the  aquarium,  after  travelling  the  entire  tube  length,  thru  the  chiller  (  fridge),  comes  back  to  your  aquarium.  I  do  not  see  any  risk  during  a  power  failure  other  than  the  chiller  getting  defunkt  for  that  period.  Both  the  tube  ends  are  within  the  aquarium,  so  no  siphon  and  spillage.  
 
 The  water  temperature  can  be  regulated  again  by  trial  and  error  method  by  controling  the  rate  of  flow  of  water  thru  the  tube  (  use  a  pinch  valve  dude)  and  setting  the  refrigerator  thermostat.  It  wont  be  a  linear  setting  but  the  desired  cooling  effect  is  definitely  achieveable.
 
 Send  me  my  award!!
   :lol:    :lol:    :lol:  
 
 hey!!!  make  sure  you  seal  the  tube  holes  on  the  fridge  using  some  sealant  like  m  seal  or  something,  or  the  entire  chill  will  travel  out  of  the  fridge.  
 
 And  sorry,  you  cannot  use  the  fridge  for  other  purposes  as  only  the  freezer  is  now  available  for  cold  storage  as  the  bucket  has  taken  away  all  the  space.  (  yes  you  have  to  remove  the  trays  )
 
 Simba!!!
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ApurvaP
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PostPosted: Mon Apr 04, 2005 5:08 pm Post subject:  Reply with quote

 What  is  the  cost  of  a  chiller?  approx?
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murthy
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PostPosted: Mon Apr 04, 2005 8:01 pm Post subject:  Reply with quote

 Confused    Sad    Crying or Very sad  15  grand  or  there-abouts.I  have  already  made  a  DIY  chiller(if  you  may  call  it  so).Its  a  thermocol  box,filled  with  salt  and  ice,inlet  tube,outlet  tube...coiled  with  thinnest  plastic  tubes  available.Hope  it  works.Even  a  drop  of  2  degrees  will  do  for  me.present  temp  29-30c,aiming  for  27-28c.If  it  works,I'll  shout  out  loud  enough  on  IAH.
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Dolphy
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PostPosted: Mon Apr 04, 2005 11:18 pm Post subject:  Reply with quote

                                                   
Quote:                
15  grand  or  there-abouts                

 
 I  almost  ate  my  mouse  when  I  read  that.    Shocked  :  I  am  just  beginning  to  realise  that  this  hobby  is  oh  so  expensive!  I  think  I  need  to  find  myself  a  rich  hubby  j/k!!!LOL    :lol:    :lol:  
 
 :wink:  
 Jenny
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simba
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PostPosted: Tue Apr 05, 2005 10:31 am Post subject:  Reply with quote

 I  recently  bought  a  small  second  hand  fridge  for  Rs  3000/-  and  it  is  in  an  impeccable  condition.  I  guess  if  my  above  DIY  chiller  is  attempted,  it  can  be  done  within  5000/-  bucks.  I  am  gonna  make  mine  as  soon  as  i  have  the  time.  Then  I  shall  give  you  all  my  feedback.
 
 Simba!
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simba
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PostPosted: Tue Apr 05, 2005 10:37 am Post subject:  Reply with quote

 BTW  guys  n  Gals,
 
 Chillers  come  in  various  capacities  and  prices  and  qualities.  The  good  ones  from  Europe  cost  around  65,000/-  INR  for  marine  use!
 
   :lol:    Shocked  
 
 Simba
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sundar
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PostPosted: Tue Apr 05, 2005 1:16 pm Post subject:  Reply with quote

 Hi
 
 Murthy
 
 That  is  a  Cool  one.
 
 Regards
 
 Sundar
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ApurvaP
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PostPosted: Tue Apr 05, 2005 1:51 pm Post subject:  Reply with quote

 I  checked  the  rate  of  chillers  in  bombay!  For  my  160  Liter  tank  the  chiller  would  cost  me  ONLY  RS  20000/-  I  would  rather  go  for  2-3  exhaust  fans!
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