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http://indianaquariumhobbyist.com/community/ :: View topic - Problem with pressurised co2 setup
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Problem with pressurised co2 setup
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sandeepraghuvanshi
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PostPosted: Thu Oct 13, 2011 5:08 pm Post subject: Problem with pressurised co2 setup Reply with quote

 I  have  recently  set  up  a  22g  planted  tank  with  ADA  substrate,  pressurised  setup  etc.
 I  am  using  ISTA  diffuser  
 http://istaproducts.com/details+CO2+Diffuser+-+3+in+1+-+(Small)/products/65/
 
 However  it  worked  for  only  day,  I  could  see  very  small  mist  type  bubbles  coming  out,  however  next  day  morning,  there  is  no  misting,  no  flow  of  bubbles.
 I  can  see  the  co2  collecting  under  the  ceramic  disc,  and  after  some  time  one  large  bubble  comes  out  of  the  side  of  ceramic  plate.
 Any  ideas.
 In  the  meantime  I  have  plugged  the  co2  tube  in  outlet  spraybar  of  my  eheim  2220,  it  is  working  okay  for  now.


Last edited by sandeepraghuvanshi on Fri Oct 14, 2011 10:22 am; edited 1 time in total
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Neeraj
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PostPosted: Thu Oct 13, 2011 5:17 pm Post subject: Re: Problem with ISTA diffuser Reply with quote

 problem  might  be  it  is  not  properly  tightened  up  take  out  the  diffuser  and  tight  it  properly  same  problem  i  have  faced  after  cleaning  my  diffuser
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sandeepraghuvanshi
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PostPosted: Thu Oct 13, 2011 5:30 pm Post subject: Re: Problem with ISTA diffuser Reply with quote

                                                   
Neeraj  wrote  (View  Post):                
problem  might  be  it  is  not  properly  tightened  up  take  out  the  diffuser  and  tight  it  properly  same  problem  i  have  faced  after  cleaning  my  diffuser                

 
 I  have  already  tried  that,  but  the  problem  remains.
 I  have  also  soaked  the  ceramic  dish  in  liquid  bleach,  washed  it  and  again  reassembled  it  again.
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Neeraj
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PostPosted: Thu Oct 13, 2011 5:36 pm Post subject: Re: Problem with ISTA diffuser Reply with quote

 Try  using  some  teflon  tape  while  tightening  up
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sushant
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PostPosted: Thu Oct 13, 2011 10:03 pm Post subject: Re: Problem with ISTA diffuser Reply with quote

 i'm  using  the  same  product  and  the  results  are  amazing,  it  gives  a  beautiful  mist  that  easily  diffuses  in  water.  the  only  solution  that  i  can  think  of  has  already  been  explained  by  Sandeep.
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mullaji
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PostPosted: Thu Oct 13, 2011 11:18 pm Post subject: Re: Problem with ISTA diffuser Reply with quote

 I  hve  put  the  co2  reactor  of  ista  instead  of  diffuser  because  reactor  mix  the  air  more  sufficiently  then  the  diffuser  only  the  problem  is  that  the  flow  of  your  external  filter  goes  slow  down  a  little  bit..
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Binesh
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PostPosted: Fri Oct 14, 2011 9:20 am Post subject: Re: Problem with ISTA diffuser Reply with quote

 Sandeep,
 
 try  the  below  2  options
 
 1.  turning  the  ceramic  plate  and  the  platic  ring  to  tighten  upside  down  may  cause  this.
 2.  do  not  keep  the  co2  inlet  pipe  connected  with  co2  flowing  from  the  cylinder....remove  the  pipe  and  then  tighten  the  diffuser....connect  the  pipe  and  then  check.
 
 Cheers,
 Binesh
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sandeepraghuvanshi
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PostPosted: Fri Oct 14, 2011 10:21 am Post subject: Re: Problem with ISTA diffuser Reply with quote

 Well  ,  now  there  are  more  urgent  problems,  the  regulator  seems  to  be  faulty.
 The  bubble  rate  is  not  constant,  yesterday  I  had  set  it  to  3-4  bubble  per  second,  this  morning  co2  was  bubbling  like  mad,  luckily  there  are  no  fish  in  tank,  only  plants.
 The  regulator  was  cold  to  touch.
 I  am  further  confused  by  one  fact  on  which  I  am  getting  contradictory  advice,  the  value  on  the  top  of  the  clyinder  is  not  fully  open.
 This  is  on  the  advice  of  a  person  who  is  technical  head  in  my  office  and  supervises  a  huge  industrial  welding  setup.  These  people  are  welding  200-300  tonnes  of  pipes  every  day
 This  is  constrast  to  what  I  have  read  on  this  forum  and  many  other  forums.
 Anyway  I  have  asked  him  to  send  a  guy  today,  they  are  going  to  take  the  regulator  apart  and  fix  it.
 Meanwhiile  I  am  going  in  for  a  new  double  stage  essab  regulator.
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apuda2010
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PostPosted: Fri Oct 14, 2011 11:59 am Post subject: Re: Problem with pressurised co2 setup Reply with quote

 Sandeep,
 
 The  regulator  is  actually  not  to  be  used  to  control  the  bps.  The  role  of  the  regulator  is  to  fundamentally  lower  the  pressure  on  the  outlet  side  so  that  the  gas  flow  is  manageable.  The  valve  on  top  of  the  cylinder  can  be  fully  open  -  it  will  not  make  a  difference.
 
 What  you  need  to  control  the  bps  is  a  needle  valve.  This  valve  squeezes  the  gas  inside  to  a  very  narrow  opening  thus  allowing  very  fine  control  of  the  gas.  There  are  many  brands/quality  of  needle  valves  available  in  the  market.  My  recommendation  would  be  to  go  for  the  best  products  since  this  valve  plays  a  very  important  role.  Some  brands  you  can  consider  are  -  Swagelok,  Clippard  ,  Ideal  (all  US  brands,  the  first  one  is  available  in  India  as  well)  and  Festo.  Festo  has  a  full  setup  in  India  and  has  an  office  in  Delhi  as  well.
 
 Alternately  ,  you  can  also  buy  the  regular  eBay  type  valves...I  had  one  like  that  in  the  setup  I  purchased  from  Nirav.  It  worked  from  some  time  but  gave  me  a  lot  of  grief  later.  I  stay  in  Delhi...if  you  need  any  help,  let  me  know.
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jack86
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PostPosted: Fri Oct 14, 2011 12:10 pm Post subject: Re: Problem with pressurised co2 setup Reply with quote

                                                   
apuda2010  wrote  (View  Post):                
Sandeep,
 
 The  valve  on  top  of  the  cylinder  can  be  fully  open  -  it  will  not  make  a  difference.
 
                 

 
 
 I  am  new  to  CO2  setup  too  but  I  have  heard  from  everyone  that  the  main  valve  should  be  completely  open.  Not  'can'  but  'should'.  
 
 Isnt  it?
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sandeepraghuvanshi
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PostPosted: Fri Oct 14, 2011 12:13 pm Post subject: Re: Problem with pressurised co2 setup Reply with quote

                                                   
apuda2010  wrote  (View  Post):                
Sandeep,
 
 The  regulator  is  actually  not  to  be  used  to  control  the  bps.  The  role  of  the  regulator  is  to  fundamentally  lower  the  pressure  on  the  outlet  side  so  that  the  gas  flow  is  manageable.  The  valve  on  top  of  the  cylinder  can  be  fully  open  -  it  will  not  make  a  difference.
 
 What  you  need  to  control  the  bps  is  a  needle  valve.  This  valve  squeezes  the  gas  inside  to  a  very  narrow  opening  thus  allowing  very  fine  control  of  the  gas.  There  are  many  brands/quality  of  needle  valves  available  in  the  market.  My  recommendation  would  be  to  go  for  the  best  products  since  this  valve  plays  a  very  important  role.  Some  brands  you  can  consider  are  -  Swagelok,  Clippard  ,  Ideal  (all  US  brands,  the  first  one  is  available  in  India  as  well)  and  Festo.  Festo  has  a  full  setup  in  India  and  has  an  office  in  Delhi  as  well.
 
 Alternately  ,  you  can  also  buy  the  regular  eBay  type  valves...I  had  one  like  that  in  the  setup  I  purchased  from  Nirav.  It  worked  from  some  time  but  gave  me  a  lot  of  grief  later.  I  stay  in  Delhi...if  you  need  any  help,  let  me  know.                

 
 Thanks,  which  brands  are  you  using  now  and  what  was  the  problem  with  earlier  setup.
 BTw  can  you  give  me  your  mobile  no.
 Also  you  have  a  pm.
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PostPosted: Fri Oct 14, 2011 12:58 pm Post subject: Re: Problem with pressurised co2 setup Reply with quote

 jack86  -  yes  ,  it  should  be  open.  You  want  the  CO2  to  flow  freely.  
 
 sandeep  -  you  have  a  detailed  reply  to  your  PM.
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PostPosted: Fri Oct 14, 2011 5:43 pm Post subject: Re: Problem with pressurised co2 setup Reply with quote

 Dear  sandeep  
                                 plz  dnt  go  for  ista  controller  because  they  cannot  resets  the  pressure  of  emence  co2  i  have  used  the  ista  regulator  and  faced  the  pain  of  lot  of  money  still  its  not  working  ,,just  simply  go  for  DIY  as  i  did  n  enjoying  the  planted  pleasure
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PostPosted: Fri Oct 14, 2011 6:11 pm Post subject: Re: Problem with pressurised co2 setup Reply with quote

                                                   
mullaji  wrote  (View  Post):                
Dear  sandeep  
                                 plz  dnt  go  for  ista  controller  because  they  cannot  resets  the  pressure  of  emence  co2  i  have  used  the  ista  regulator  and  faced  the  pain  of  lot  of  money  still  its  not  working  ,,just  simply  go  for  DIY  as  i  did  n  enjoying  the  planted  pleasure                

 
 I  am  not  using  ISTA  regulator  only  their  diffuser.
 Still  trying  to  decide  on  regulator,  the  one  availble  with  the  clyinder  is  defective.
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PostPosted: Fri Oct 14, 2011 7:30 pm Post subject: Re: Problem with pressurised co2 setup Reply with quote

 so  go  for  DIY  as  i  have  already  gone  n  occupied  success  rolling  down  my  feet  Thumbs Up
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