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http://indianaquariumhobbyist.com/community/ :: View topic - DIY: Water Cooling Tower
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DIY: Water Cooling Tower
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ravi
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PostPosted: Mon Mar 14, 2005 10:01 am Post subject: DIY: Water Cooling Tower Reply with quote

 Hello  Folks,
 
 Summer  is  almost  here  &  soon  the  water  temperature  in  the  aquariums  will  start  to  climb.  The  tradition  methods  of  bringing  down  the  temperature  is  to  fix  compact  console  cooling  fans  at  an  angle  to  water  level,  about  3  or  4  inches  above  water.  This  is  effective  and  brings  down  water  temperature  by  about  2  degrees  centigrade.  Another  method  is  to  use  a  chiller.
 
 I  want  to  use  the  first  method,  but  with  a  difference.  I  want  to  setup  a  forced  draft    cooling  tower  for  cooling  the  aquarium  water.  Here  is  a  site  on  the  subject.  http://www.cheresources.com/ctowerszz.shtml
 
 My  plan  is  to  design  &  setup  a  small  cooling  tower  which  may  be  kept  outdoors,  above  aquarium  water  level.  Water  is  to  be  pumped  from  the  tank  with  a  power  head,  sprayed  into  the  cooling  tower,  where  forced  draft  cooling  takes  place.  The  cooled  water  is  collected  at  the  bottom  of  the  cooling  tower  &  flows  into  a  filter  &  then  into  the  aquarium  by  gravity  flow.
 
 Well  ?  What  do  you  think  ?  Is  it  possible  to  achieve  temperature  drop  of  more  than  2  degrees  in  a  humid  place  like  Madras  ?  The  drop  has  be  much  better  than  2  degrees  for  this  project  to  be  viable.
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Madan
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PostPosted: Mon Mar 14, 2005 11:27 am Post subject:  Reply with quote

 Forced  draught  cooling  tower,  bad  idea  for  planted  tank?
 
 Drive  all  the  co2  out?
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Lancelot
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PostPosted: Mon Mar 14, 2005 3:14 pm Post subject:  Reply with quote

 ravi,
 
 cool  idea...  let  me  know  how  this  turns  out....
 
 alternatively,  if  you  have  family  that  is  willing  to  help,  you  can  use  bisleri  bottles.  fill  'em  with  water,  freeze  them,  and  place  a  frozen  one  (with  cap)  in  the  tank...  heard  this  would  reduce  the  temp  quite  a  bit...
 
 only  problem  would  be  constantly  change  the  bottles  and  freezing  them....
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Madan
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PostPosted: Mon Mar 14, 2005 4:02 pm Post subject:  Reply with quote

                                                   
Lancelot  wrote:                
ravi,
 
 
 alternatively,  if  you  have  family  that  is  willing  to  help,  you  can  use  bisleri  bottles.  fill  'em  with  water,  freeze  them,  and  place  a  frozen  one  (with  cap)  in  the  tank...  heard  this  would  reduce  the  temp  quite  a  bit...
 
 only  problem  would  be  constantly  change  the  bottles  and  freezing  them....                

 
 Lower  the  temp  quiet  a  bit  in  how  big  a  tank?
 
 Won't  work  in  Chennai  and  Ravi's  Pond  of  a  tank.
 
 Getting  a  chiller  is  the  best  option.
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Lancelot
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PostPosted: Mon Mar 14, 2005 4:16 pm Post subject:  Reply with quote

 cool..
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ravi
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PostPosted: Mon Mar 14, 2005 7:31 pm Post subject:  Reply with quote

 Hi  Madan,
 
 
                                                 
Madan  wrote:                
Forced  draught  cooling  tower,  bad  idea  for  planted  tank?
 
 Drive  all  the  co2  out?                

 
 You  are  right,  Madan.  However,  high  temperature  kills  plants.  Adding  some  more  Co2  is  a  very  easy  option  compared  to  cooling  water.  I  would  rather  let  out  some  co2  while  in  the  process  of  cooling  the  water  through  the  forced  draft  cooling  system  &  then  some  co2  to  it.  Idea  is  Tank  water  ->  cooling  tower  ->  filter  ->  co2  ->  chilling  ->  tank.
 
 I  spoke  to  a  water  chiller  expert  for  a  dedicated  chiller.  When  I  told  him  that  the  water  temperature  needs  to  be  maintained  at  24  C,  he  suggested  a  forced  draft  cooling  system  as  an  inexpensive  alternate  to  chiller.  However,  the  drop  in  temperature  will  be  maximum  4  C  on  ambient  here  in  humid  Madras.  I  have  asked  him  to  workout  a  chiller  with  1/6  tonne  compressor  to  pull  down  temperature  from  36  C  to  24  C.
 
 If  I  have  the  forced  draft  cooler  inline  before  the  chiller,  I  can  save  4  degrees  worth  of  power.
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ravi
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PostPosted: Mon Mar 14, 2005 7:33 pm Post subject:  Reply with quote

 Hi  Lancelot,
 
 
                                                 
Lancelot  wrote:                
alternatively,  if  you  have  family  that  is  willing  to  help,  you  can  use  bisleri  bottles.  fill  'em  with  water,  freeze  them,  and  place  a  frozen  one  (with  cap)  in  the  tank...  heard  this  would  reduce  the  temp  quite  a  bit...
 
 only  problem  would  be  constantly  change  the  bottles  and  freezing  them....                

 
 Let  me  guess:  You  are  not  married    :lol:
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Madan
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PostPosted: Mon Mar 14, 2005 9:12 pm Post subject:  Reply with quote

 No  Ravi,  forced  draft  cooler  will  not  work.
 Here  we  talk  of  areators  driving  out  CO2,  and  Forced  draught  cooler,  it  will  be  very  difficult  to  keep  any  residual  CO2  in  the  water.
 
 A  chiller  is  the  only  hope,  and  yes  electricity  is  expensive.
 
 As  long  as  you  keep  the  water  temp  below  30  deg  C  most  of  the  plants  will  do  very  well  except  for  mosses.    I  have  grown  plants  while  maintaining  the  water  temparature  around  29  Deg  C.
 
 24  Deg  C  is  a  luxury.  :lol:,  even  we  guys  in  Bangalore  have  about  26  Deg  C  in  our  tanks  in  the  peak  of  summer.
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Dolphy
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PostPosted: Mon Mar 14, 2005 11:26 pm Post subject:  Reply with quote

 Speaking  of  heaters..  can  I  remove  my  heater  as  it  is  summer,  or  do  you  suggest  I  keep  it  on?  I  have  my  precious  Neon  tetras  in  the  tank.  Do  you  think  they  will  be  affected?
 
 Jenny
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retro_gk
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PostPosted: Tue Mar 15, 2005 12:07 am Post subject:  Reply with quote

 Jenny,  Your  tetras  will  be  fine  without  a  heater  in  summer.
 
 Re  cooling  towers,  you  will  also  end  up  losing  a  lot  of  water...plan  on  topping  up  your  tank  daily  :lol:
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Lancelot
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PostPosted: Tue Mar 15, 2005 5:38 am Post subject:  Reply with quote

 ravi,
 
 how  did  you  guess?  i'm  single...  thank  god...    :wink:
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Madan
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PostPosted: Tue Mar 15, 2005 8:34 am Post subject:  Reply with quote

 Being  Married  is  not  such  a  bad  deal.......  See  my  tanks?  6  months  of  absence  and  I  land  up  home  to  find  this.  :wink:
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murthy
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PostPosted: Tue Mar 15, 2005 9:26 am Post subject:  Reply with quote

                                                   
Madan  wrote:                
No  Ravi,  forced  draft  cooler  will  not  work.
 Here  we  talk  of  areators  driving  out  CO2,  and  Forced  draught  cooler,  it  will  be  very  difficult  to  keep  any  residual  CO2  in  the  water.
 
                 

 the  plan  will  still  be  relevant  to  marine  tanks,no?
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retro_gk
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PostPosted: Tue Mar 15, 2005 10:10 am Post subject:  Reply with quote

                                                   
Quote:                
the  plan  will  still  be  relevant  to  marine  tanks,no?
                 

 
 No...the  salinity/Sp.  Gravity  of  your  tank  will  rise.  Quite  rapidly  if  ambient  temperatures  are  high.
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rrsriram
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PostPosted: Tue Mar 15, 2005 10:23 am Post subject: Forced Draft Cooling Reply with quote

 Hi,
 
 Thought  this  might  not  work  for  Planted  tanks  but  would  work  great  for  a  non  planted  tank  for  example  a  Cichlid  community  tank.    The  water  temperature  is  around  31  now  and  a  4  degree  drop  would  work  wonders.
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