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http://indianaquariumhobbyist.com/community/ :: View topic - Finally, a solution for cooling
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Finally, a solution for cooling
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Hamza
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PostPosted: Sun Mar 28, 2010 10:52 pm Post subject: Finally, a solution for cooling Reply with quote

 Hi  people,
 
 This  is  in  response  to  this  thread.
 I  am  posting  here,  as  a  new  topic  as  it  might  be  a  quick  help  for  hobbyists  who  are  looking  for  cooling  solutions.     
 
 I  had  been  looking  for  some  effective  and  cheap  cooling  system  since  summer  started,  when  I  visited  Bharani  Kumar(senior  hobbyist),  I  saw  these  big  4"  AC  fans  there  cooling  his  tanks.  I  asked  him  the  source.  I  went  to  close  to  the  address  provided  and  was  still  confused,  after  a  couple  of  long  calls  with  Bharani(sorry  for  bothering  you  and  many  thanks),  and  wandering  around  for  a  while  I  discovered  that  the  shop  was  just  opposite  where  I  was  standing.  Chuckle  
 
 Here  are  a  couple  of  pictures  of  my  fan  I  got.
 
 
 
 
 
 These  are  called  as  instrument  cooling  fans,  they  have  quite  high  RPM  and  are  available  in  sizes  varying  from  2"-6"  AFAIK.  As  you  can  see,  this  particular  one(4")  18w  fan  that  can  be  directly  plugged  into  the  socket,  no  need  for  adapters,  unlike  underpowered  CPU  fans.
 
 And  now  this  fan  reduces  about(or  more  than)  a  solid  5degC  in  my  100liter  planted  tank.  The  fan  is  placed  at  60degree  wrt  the  surface  of  water  and  partially  blows  air  in,  coolng  both  the  water  and  my  light  hood.  Very Happy  
 
 Before  adding  this  fan,  temperature  varied  between  31-34deg  and  now  it  is  within  25-28  range.  
 My  old  cooling  setup  with  three  CPU  fans  reduced  about  1-2degrees  maximum,  so  you  can  see  the  difference  here.  
 Highly  Recommended!
 
 One  lil  problem  though...
 
 It  produces  a  lot  of  surface  disturbance,  that  might  lower  the  content  of  dissolved  CO2  in  planted  tanks.  I  am  dealing  with  this  by  increasing  the  flow  of  CO2  to  5-6bps(for  3bps).
 
 Hyderabad/Secunderabad  Hobbyists  can  p.m.  me  for  source  info,  others  might  have  to  source  these  out  around  their  locations.
 
 Regards!
 Hamza


Last edited by Hamza on Mon Mar 29, 2010 12:05 am; edited 1 time in total
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mudjawd
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PostPosted: Sun Mar 28, 2010 11:03 pm Post subject: Re: Finally, a solution for cooling Reply with quote

                                                   
Hamza  wrote  (View  Post):                
 I  am  dealing  with  this  by  increasing  the  flow  of  CO2  to  5-6bps(for  3bps).
                 

 
 when  did  you  shifted  to  pressurized  CO2???
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Scorpio
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PostPosted: Mon Mar 29, 2010 9:31 am Post subject: Re: Finally, a solution for cooling Reply with quote

 We  are  also  using  this  type  of  fans  in  aquarium  to  decrease  the  temperature  in  summers.
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essabee
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PostPosted: Mon Mar 29, 2010 10:06 am Post subject: Re: Finally, a solution for cooling Reply with quote

 More  details:-
 
 
http://www.hicoolfans.com/products/instrument-cooling-fans-ac.htm
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cdsravi
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PostPosted: Mon Mar 29, 2010 1:43 pm Post subject: Re: Finally, a solution for cooling Reply with quote

 How  much  it  cost  ?
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sid_p
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PostPosted: Mon Mar 29, 2010 2:01 pm Post subject: Re: Finally, a solution for cooling Reply with quote

 Sounds  really  effective   Smile  
 
 Can  anyone  help  on  where  we  can  get  these  in  Bangalore?   SP  Road?
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garothmaan
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PostPosted: Mon Mar 29, 2010 2:19 pm Post subject: Re: Finally, a solution for cooling Reply with quote

 Is  it  always  necessary  to  install  a  fan  on  a  planted  Tank?....  Confused
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saadali
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PostPosted: Mon Mar 29, 2010 2:36 pm Post subject: Re: Finally, a solution for cooling Reply with quote

                                                   
garothmaan  wrote  (View  Post):                
Is  it  always  necessary  to  install  a  fan  on  a  planted  Tank?....  Confused                

 you  have   options  of  chillers  too  !!  Very Happy
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Hamza
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PostPosted: Mon Mar 29, 2010 3:13 pm Post subject: Re: Finally, a solution for cooling Reply with quote

                                                   
mudjawd  wrote  (View  Post):                

 
 when  did  you  shifted  to  pressurized  CO2???                

 
 hmm....a  month  back  I  guess,  started  a  new  tank  exactly  a  couple  of  weeks  ago  Very Happy  
 
 
                                                 
Scorpio  wrote  (View  Post):                
We  are  also  using  this  type  of  fans  in  aquarium  to  decrease  the  temperature  in  summers.                

 
 nice!  but  I  hardly  some  one  from  Delhi(I  might  be  wrong)  posting  a  big  6  or  8"  fan  like  that.
 
 @Ravi,  you  have  a  p.m.
 
 @essabbee...thaks  for  the  link!
 
 
                                                 
garothmaan  wrote  (View  Post):                
Is  it  always  necessary  to  install  a  fan  on  a  planted  Tank?....  Confused                

 
 Well,  yes,  if  you  want  to  keep  certain  plants  alive.
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garothmaan
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PostPosted: Mon Mar 29, 2010 3:28 pm Post subject: Re: Finally, a solution for cooling Reply with quote

 Has  anyone  seen  these  fans  above  that  huge  tank  at  Nautilus?  I  have  been  to  nautilus  for  about  5  to  6  times  but  I  have  never  noticed  these  fans.  However  their  lighting  system  is  fantastic.  Doesnt  continuous  circulation  of  water  also  brings  down  the  temprature?  Smile  
 
 I  have  another  idea  for  cooling...  why  not  travel  the  water  into  a  sump  like  a  car  radiator  and  keep  a  fan  in  front  of  it  to  cool  the  water  and  supply  the  water  back  to  the  tank?
 
 Anyways  thanks  for  the  reply
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nash81
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PostPosted: Mon Mar 29, 2010 4:00 pm Post subject: Re: Finally, a solution for cooling Reply with quote

                                                   
Quote:                
nice!  but  I  hardly  some  one  from  Delhi(I  might  be  wrong)  posting  a  big  6  or  8"  fan  like  that.  
                 

 
 I  think  tirtha  has  in  the  past  posted  some  threads  of  the  same.
 
 There  are  many  fan  options  available  in  Delhi  at  bhagirath  palace,  most  of  these  are  chinese  right  from  2"  to  upto  8".  Options  are  available  in  220V  AC  or  12V  DC.  as  well.  However  life  span  of  these  are  a  question.  With  most  220V  burning  up  in  a  short  period  of  time.  There  are  some  good  brands  available  however  the  price  is  pretty  expensive  for  those.  Racord  or  something  is  the  brand  name  if  i  recollect  correctly.
 
 Normally  these  fans  would  be  available  at  markets  which  sell  electronic  components  for  various  items  like  UPS,  Invertors,  High  end  Machinery  spares  at  almost  all  major  cities  and  towns.
 
 Warm  Regards
 Nirav  Shah
 Indiapetstore.com
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saikumar
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PostPosted: Mon Mar 29, 2010 4:07 pm Post subject: Re: Finally, a solution for cooling Reply with quote

 Hamza  is  that  Anubias  gold?  or  crypts  in  the  3rd  pic?  Sad   
 
   Rolling Eyes  Why  do  you  lure  us  so  much  man;  post  some  full  tank  pics  for  sake  of  journalism!!  Agree  
 
 
 Garothmaan,  
 Radiator  mechanism  will  cool  the  water  only  to  room  [outdoor]temperature  i.e.  <  engine  temperature.
 Circulation?   Wink  hmmm  wouldnt  it  skim-out  the  hard  earned  dissolved  CO2?
 Garothmaan,  what  you  could  do  is  put  the  same  radiator  in  your  Water  cooler/AC  then  will  do  the  trick.  Friends
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essabee
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PostPosted: Mon Mar 29, 2010 6:14 pm Post subject: Re: Finally, a solution for cooling Reply with quote

 The  Hi-cool  fans  are  a  good  find  as  they  are  also  available  with  ball  bearing.  The  ones  in  the  picture  in  the  first  post  have  sleeve  bearing  -  these  have  a  normal  life  of  30,000  hours.  The  ones  with  ball  bearings  have  a  life  expectancy  of  60,000  hours.  Again  the  noise  production  is  lower  with  the  ball  bearing  fan.
 
 Causing  surface  disturbance  with  the  wind  flow  will  naturally  cause  the  loss  of  CO2  from  the  enriched  tanks  but  will  also  maximise  the  cooling.  With  very  little  loss  of  cooling  you  can  deploy  the  fans  in  a  different  mode  which  will  not  cause  surface  agitation.  Here  you  need  to  use  the  fan  in  an  extractor  mode  and  see  you  allow  fresh  air  to  flow  in  through  pipes  in  spray  bar  method  which  agitates  the  air  just  above  the  surface  of  the  tank  water  without  actually  agitating  the  surface.  
 
 That  is  exactly  what  I  have  done  here:-
 
 
 
 
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discusfav
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PostPosted: Tue Mar 30, 2010 1:17 am Post subject: Re: Finally, a solution for cooling Reply with quote

 hi  nirav
 the  brand  for  these  fans  is  rexnord,  available  in  4",  6",  8"  and  they  were  reasonably  priced  and  good  quality  lasting  stuff  ,and  available  in  bush  and  bearing  version.the  second  option  being  more  pricey.
 thanks  
 sameer
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Tirtha C
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PostPosted: Tue Mar 30, 2010 2:52 am Post subject: Re: Finally, a solution for cooling Reply with quote

 Hamza....  not  sure  about  the  level  of  Humidity  in  Hyderabad.  If  you  got  a  dry  weather  like  Delhi,  you  will  be  needing  a  thermostat  device  to  switch  on/off  the  fans  on  certain  Temp  drop.  Talk  to  Sai.  he  is  currently  doing  an  R'nD  project  on  an  auto  cut  device  (  I  will  connect  that  with  my  8"  fan   Very Happy  )  which  will  help  keeping  the  temp  fixed.
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