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http://indianaquariumhobbyist.com/community/ :: View topic - Surplus Oxygen or Surplus CO2
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Surplus Oxygen or Surplus CO2

 
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sunracesuraj
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Joined: Feb 21, 2010
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Location: Gorai 2, Borivali West, Mumbai

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PostPosted: Sat May 15, 2010 12:12 am Post subject: Surplus Oxygen or Surplus CO2 Reply with quote

 Guys,
 I  have  270L  24Hx42Lx18W  inch  tank.  I  am  using  36Wx4  Azoo  10  hours.  Filtration  is  EHEIM  2213  and  2210.  There  is  enough  ventilation  using  a  compact  desk  fan  type  fan.  All  was  going  well  and  still  is  going  well  until  I  added  pressurized  CO2  5  days  ago.  CO2  is  connected  to  a  reactor  from  MAX  MIX  to  outlet  of  2213  which  is  set  at  1bps.  All  seems  well  except  for  one  thing  –  my  purple  mint  has  all  of  a  sudden  died  –  it  latterly  melted  away  and  decomposed  completely.  Now  Anubis  has  turned  yellow  and  I  feel  it  is  dyeing  too..it  was  dark  green  and  very  slowly  growing  in  the  darkest  corner  of  the  tank….
 Now  what  is  this?  Surplus  Oxygen  or  Surplus  CO2?  I  use  AquaBlossom  fertilizer  so  I  doubt  nutrients  being  an  issue  –  substrate  is  river  sand  with  added  fertilizer  balls  and  granules  at  the  bottom.  Tank  is  just  6  month  old  and  has  been  stable  stocked  with  20  odd  tetras  such  as  neon,  ramy,  lemon  etc.
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sunracesuraj
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PostPosted: Sat May 15, 2010 11:28 am Post subject: Re: Surplus Oxygen or Surplus CO2 Reply with quote

 Strange....no  one  knows  why  this  is  happening?  Any  ways  I  going  to  redo  the  whole  thing....
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Preeths
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PostPosted: Sun May 16, 2010 8:28 pm Post subject: Re: Surplus Oxygen or Surplus CO2 Reply with quote

 A  sudden  change  in  water  parameters  can  cause  certain  plants  to  melt.  addition  of  CO2  will  bring  the  PH  down.  This  could  be  the  problem.  Anubias  turning  yellow  means  a  lack  of  ferts.  Are  the  old  leaves  turning  yellow  or  the  new  leaves.  I  have  not  heard  of  aqua  blosson  fertilizer,  so  i  am  not  sure  about  its  life  or  use.
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sunracesuraj
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PostPosted: Mon May 17, 2010 12:01 am Post subject: Re: Surplus Oxygen or Surplus CO2 Reply with quote

 Just  confirmed...it  is  AquaBloom....  and  old  leaves  are  turning  yellow....
 
 PH  going  down  due  to  CO2  is  bad  thing  over  all  or  what?
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Hamza
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PostPosted: Mon May 17, 2010 12:46 am Post subject: Re: Surplus Oxygen or Surplus CO2 Reply with quote

                                                   
Preeths  wrote  (View  Post):                
A  sudden  change  in  water  parameters  can  cause  certain  plants  to  melt.  addition  of  CO2  will  bring  the  PH  down.  This  could  be  the  problem.  Anubias  turning  yellow  means  a  lack  of  ferts.  Are  the  old  leaves  turning  yellow  or  the  new  leaves.  I  have  not  heard  of  aqua  blosson  fertilizer,  so  i  am  not  sure  about  its  life  or  use.                

 
 In  my  case...I  had  a  big  rhisome  of  anubias  barteri  with  18-20  leaves  (all  grown  submerged),  growing  in  my  old  tank  since  a  year.
 
 When  I  added  it  to  my  new  setup  with  pressurized  CO2,  all  leaves  turned  yellow  and  melted  away.  I  plucked  all  the  dieing  leaves  and  divided  the  rhisome  into  three  parts,  all  three  pieces  of  rhisomes  are  growing  fresh  new  leaves  now.
 
 Same  happened  with  crypts  as  well,  melted  away  completely,  each  and  every  type  of  crypt  I  had  and  now  all  started  growing  back  again.  Apart  from  these  no  other  plant  suffered.
 
 So  I  attribute  it  more  to  change  in  parameters  in  my  case.  Lets  see  what  experts  have  to  say.
 
 
                                                 
sunracesuraj  wrote  (View  Post):                
Just  confirmed...it  is  AquaBloom....  and  old  leaves  are  turning  yellow....
 
 PH  going  down  due  to  CO2  is  bad  thing  over  all  or  what?                

 
 Its  not  a  bad  thing  at  all,  they  need  some  time  to  adapt  and  show  growth  in  a  new  environment.  So  wait  for  them  to  settle.
 Plus  keep  the  level  of  your  CO2  constant  and  under  observation.


Last edited by Hamza on Mon May 17, 2010 9:28 am; edited 1 time in total
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sunracesuraj
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PostPosted: Mon May 17, 2010 1:00 am Post subject: Re: Surplus Oxygen or Surplus CO2 Reply with quote

 Yeah  sounds  similar  to  me  Hamza...as  I  had  purple  mint  -  it  just  melted  away  within  24  hours  of  adding  CO2...before  that  it  was  just  here...  no  growth  but  it  was  there  as  it  is....  all  my  yamatos  had  party  cleaning  it  once  it  had  melted...  I  have  kept  its  roots  and  lower  stems  as  it  is  so  I  hope  they  will  start  growing  again...  I  will  wait  for  Anubias  to  decide  its  own  ways  now...  I  had  prune  of  my  plants  due  to  excess  growth  of  other  plants..  That  is  the  only  interference  I  have  done  so  I  will  wait  and  see  how  it  goes..
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essabee
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Joined: Nov 14, 2006
Posts: 541
Location: Ranchi, Jharkhand.

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PostPosted: Mon May 17, 2010 7:07 am Post subject: Re: Surplus Oxygen or Surplus CO2 Reply with quote

 My  personal  observation  of  plants  (especially  submerged  aquatic  plants)  has  taught  me  to  believe  that  a  plant  cannot  change  its  already  grown  parts  to  suit  changed  growing  parameter.  If  sudden  changes  happen  which  the  plant  cannot  tackle  with  its  state  of  growth,  the  plant  will  either  die  back  or  go  into  a  dormant  stage  (which  in  one  case  with  me  lasted  6  months).
 
 Some  people  say  the  plants  go  into  a  shock;  but  as  I  believe  plants  are  intelligent  beings,  I  say  the  plant  stops  to  reconsider  the  changed  circumstances  and  decides  on  how  to  grow  in  that  environment  and  then  restart  its  life  again.
 
 I  am  sorry  to  hear  that  the  purple  mint  melted  -  it  could  be  that  during  the  die-back  it  was  attacked  by  a  pathogen  and  the  plant  succumbed  to  the  infection.
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moonwalker
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PostPosted: Mon May 17, 2010 12:18 pm Post subject: Re: Surplus Oxygen or Surplus CO2 Reply with quote

 hi,
 
      U  had  low  light  and  low  nutrients  systems  without  CO2  earlier,  am  i  right?
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