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http://indianaquariumhobbyist.com/community/ :: View topic - Powerhead and CO2 Reactor
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Powerhead and CO2 Reactor

 
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drug
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PostPosted: Sat Mar 21, 2009 9:52 am Post subject: Powerhead and CO2 Reactor Reply with quote

 What  will  be  the  suitable  power  head  output  to  drive  the  Dymax  CO2  reactor  DF  102.
 I  have  two  power  heads  1000LPH  and  2000LPH  lying  around.  If  these  are  going  to  be  too  powerful  is  there  anyway  to  reduce  the  flow  to  be  optimum  for  the  said  reactor?  I  mean  like  Choking  the  inlet,  or  adding  a  spray  bar  to  the  outlet?
 
 Anyone  with  Previous  experience  using  this?  {I  remember  Rohan,  Maninder  and  a  few  others  mentioning  this  particular  model}
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rohansd
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PostPosted: Sun Mar 22, 2009 12:44 am Post subject: Re: Powerhead and CO2 Reactor Reply with quote

 I  guess  the  1000  LPH  one  will  be  appropriate.
 It  may  sound  silly  but  I  had  trouble  connecting  the  whole  stuff  together  without  loosing  the  efficiency  of  either  of  the  equipment.
 
 I  suggest  you  dont  attempt  to  alter  the  flow  rate  of  the  powehead.  It  will  reduce  the  life  of  the  powerhead.
 Adding  a  spray  bar  is  fine  but  then  how  will  you  connect  the  reactor  to  the  powerhead  when  it  has  a  spray  bar  con  its  outlet?
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Tirtha C
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PostPosted: Sun Mar 22, 2009 1:15 am Post subject: Re: Powerhead and CO2 Reactor Reply with quote

 I  am  using  the  same  internal  reactor.  Don't  go  for  1000lph.  I  tried  with  a  1000lph  first  but  for  the  superfast  flow,  all  CO2  was  coming  out  of  the  outlet  without  mixing  with  water  inside  of  the   reactor.  Then  I  changed  it  to  a  700  lph  powerhead(Seetha,  make  me  correct  if  am  wrong).  And  I  can  see  all  the  CO2  is  staying  inside  the  reactor  and  mixing  with  water  there  only,  even  when  it  is  running  at  4BPS  speed.
 
 And  you  picked  up  a  very  good  reactor.  My  Drop  checker  is  showing  a  nice  lemon  green  24x7.   Thumb Up   Thumb Up
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drug
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PostPosted: Sun Mar 22, 2009 8:51 am Post subject: Re: Powerhead and CO2 Reactor Reply with quote

                                                   
rohansd  wrote  (View  Post):                

 Adding  a  spray  bar  is  fine  but  then  how  will  you  connect  the  reactor  to  the  power  head  when  it  has  a  spray  bar  con  its  outlet?                  

 
 Thanks  Rohan
 I  was  thinking  of  connecting  the  Spray  bar  to  the  outlet  of  the  reactor  so  that  the  resistance  to  flow  from  the  whole  system  will  go  up.  Anyway  I  will  try  without  the  spray  bar  first.

 
 
                                                 
T2CHATTO  wrote  (View  Post):                

 Then  I  changed  it  to  a  700  lph  powerhead  (Seetha,  make  me  correct  if  am  wrong).  And  I  can  see  all  the  CO2  is  staying  inside  the  reactor  and  mixing  with  water  there  only,  even  when  it  is  running  at  4BPS  speed.                

 
 Oops  I  hadn't  considered  the  effect  of  variations  in  the  bubble  rate   Sad  
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Shreyasmrao
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PostPosted: Sun Mar 22, 2009 3:14 pm Post subject: Re: Powerhead and CO2 Reactor Reply with quote

 Hi  Unni.
 I  use  a  jaqno  reactor  for  CO2  mixing.  What  i  have  done  is  for  the  small  pipe  inside  the  reactor,  i've  added  a  ceramic  diffuser  inside  the  reactor  itself,  them  i've  added  the  bio  balls.  The  diffuser  was  PK's  idea.  The  diffuser  makes  the  CO2  bubbles  even  smaller.  I've  connected  it  to  my  cannister  &  the  flow  is  still  good.  However  if  u  want  to  use  a  seperate  powerhead,  put  a  bag  of  bio  rio  or  some  other  such  filter  media  so  that  there's  extra  media  for  biological  filtration  &  this  also  reduces  the  water  flow  rate.  I  had  done  this  without  the  bag  for  the  media  which  clogged  up  the  inlet  because  of  back  pressure  during  a  power  but.  But  i  think  if  we  are  using  reactors  &  powerheads  we  can  use  it  as  additional  filter  media  holder.  Lets  see  if  seniors  agree.
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drug
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PostPosted: Wed Apr 01, 2009 8:26 am Post subject: Re: Powerhead and CO2 Reactor Reply with quote

                                                   
T2CHATTO  wrote  (View  Post):                
Don't  go  for  1000lph.  I  tried  with  a  1000lph  first  but  for  the  superfast  flow,  all  CO2  was  coming  out  of  the  outlet  without  mixing  with  water  inside  of  the  ┬áreactor.                

 
 Too  true.  Tried  with  the  1000LpH  power  head  and  all  the  CO2  is  escaping  from  the  bottom  of  the  reactor.   Sad  I  am  off  to  buy  a  smaller  power  head
 
 So  far  the  plants  haven't  pearled  even  once.  I  have  a  weird  feeling  that  I  was  better  off  with  DIY  CO2     Unsure  .  My  better  half  has  suggested  that  I  should  go  back  to  the  yeast  bottles  Chuckle
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rupak
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PostPosted: Wed Apr 01, 2009 9:17 am Post subject: Re: Powerhead and CO2 Reactor Reply with quote

 Tirtha,
 
 when  you  say  that  the  DC  is  showing  a  nice  lemon  yellow  wanted  to  know  if  you  use  a  KH  reference  solution  or  you  use  Tank  water  to  fill  the  dropchecker  along  with  the  co2  reagent
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