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http://indianaquariumhobbyist.com/community/ :: View topic - Glutaraldehyde as a Co2 source?
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Glutaraldehyde as a Co2 source?
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amitava
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PostPosted: Sat Oct 28, 2006 9:54 am Post subject: Re: Glutaraldehyde as a Co2 source? Reply with quote

 Hi  Folks,
 
 Update  after  a  long  long  time.
 
 Arup,Atanu,   I  am  getting  perling  after  a  water  change  only.  I  also  think  that  it  is  due  to  dissolved  CO2  in  the     water  .
 
 My  2'/1'/1'  tank  is  doing  just  great.  I  am  using  it  with  my  4'/1.5'/1.5'  tank  also  with  CO2  injection  and  in  both  the  tank,  there  are  no  sign  of  algae  .  
 
 In  my  4'/1.5'/1.5'  tank  I  have  2  150watt  MH  and  it  my  dosing  quantity  is  at  a  high  side.  When  I  started  this  magic  chemical  ,  this  tank  was  having  BBA,GSA,  Green  sopt  in  a  noticable  form  ,  within  a  month  they  all  not  there.
 
 I  am  using  10  mls  in  my  small  tank  and  30  mls  in  my  big  tank  with  30  ml  of  Gutaraldehyde  in  500  mls  of  water.
 
 regards
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mr_india
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PostPosted: Sat Oct 28, 2006 7:17 pm Post subject: Re: Glutaraldehyde as a Co2 source? Reply with quote

 Dear  Amitava
 
 Apart  from  10ml  dosing  in  small  tank  do  you  dose  daily  also  ?  or  daily  dose  is  not  needed.  I  am  dosing  1.5  ml  daily  apart  from  this  10  ml  dose.  
 
 Regards
 
 PRADEEP
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rgg
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PostPosted: Sun Oct 29, 2006 8:29 am Post subject: Re: Glutaraldehyde as a Co2 source? Reply with quote

 HI  PRADEEP,
   There  cannot  be  a  fixed  dosage  or  a  comparision  of  dosgae  as  each  tank  behaves  uniquely.  You  might  have  to  do  a  bit  of  trial  and  check  out  whats  your  tanks  requirement.  You  might  want  to  dilute  the  soln,  Try  dosing  (increment  the  dosage  gradually)  
 If  you  See  fishes  gasping  for  air  the  aeriate  the  tank  for  some  time  and  reduce  the  dosage.  This  is  how  i  figured  out  my  4ft  tanks  dosage,  Now  i  dose  conc  25%  Gd  15  drops  directly  to  the  water  column  daily  when  lights  go  on.
 I  see  At  least  one  of  the  10  anubias  that  i  have  in  my  tank  sprouting  per  day.
 
 Raghu
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harley
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PostPosted: Mon Oct 30, 2006 2:50 pm Post subject: Re: Glutaraldehyde as a Co2 source? Reply with quote

 Hi
 
 Got  my  bottle  today  from  Vasa.  I  have  a  67G  tank  with  algae  on  Anubias  primarily  so  i  plan  to  try  this  out.  It  also  has  Giant  Valls,  will  it  affect  the  Valls  as  some  Hobbyist's  have  experienced  here?  
 
 Further,  i  have  set  up  a  22G  planted  tank  about  a  month  back.  Actually  just  shifted  the  substrate  and  plants  to  a  newer  tank,  thats  all,  its  not  a  new  set  up  exactly.  .  It  has  40W  lighting  and  recently  added  DIY  CO2.PMDD  is  regular.
 
 Now  can  i  start  about  5  Ml  of  diluted  Glutaral  to  this  tank.  My  main  worry  is  i  have  many  Sword  fries  in  there.  Will  they  be  affected  in  any  way.  
 
 Rgds
 
 IRshad
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rgg
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PostPosted: Mon Oct 30, 2006 3:49 pm Post subject: Re: Glutaraldehyde as a Co2 source? Reply with quote

 Hi  Irshad,
   As  long  as  your  dosage  is  minimal  i  suppose  your  fries  should  be  fine.
 
 On  GD  affecting  valls  check  out  seachem's  website  for  more  info  at  www.seachem.com
 
 -Raghu
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harley
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PostPosted: Mon Oct 30, 2006 4:42 pm Post subject: Re: Glutaraldehyde as a Co2 source? Reply with quote

 THanks  Raghu,
 
 In  the  site  under  FAQ  section  for  Seachem  Excel,  the  recommended  usage  for  sensitive  plants  is  every  other  day  rather  than  daily.  
 
 Well  will  follow  that  for  the  tank  with  valls  and  wait...
 
 Rgds
 
 irshad
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praani
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PostPosted: Sat Nov 04, 2006 10:52 pm Post subject: Re: Glutaraldehyde as a Co2 source? Reply with quote

                                                   
rohansd  wrote  (View  Post):                

 Bought  500  Ml  of  Glutaradehyde  y'day  and  prepared  a  diluted  soln  as  per  the  instructions  from  all  you  friends.                

 
 I  went  through  all  the  posts,  but  what  is  the  right  concentration  for  Gluteraldehyde?  I  have  a  25%  solution  from  the  store  (*  see  image  below)  .  Is  this  what  you  people  are  using  or  are  you  making  a  25%  solution  of  this  again?
 
 I  am  a  bit  confused  on  this  one.
 
 Could  someone  post  the  exact  method  to  prepare  this  solution?
 
 *
 
 
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amitava
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PostPosted: Sun Nov 05, 2006 10:50 am Post subject: Re: Glutaraldehyde as a Co2 source? Reply with quote

 Hi  Pranni,
 
 You  are  on  the  right  track.
 
 Mix  30ml  of  glutaraldehyde  with  500ml  distilled  water  or  Aquaguard  water
 
 regards
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praani
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PostPosted: Mon Nov 06, 2006 1:14 pm Post subject: Re: Glutaraldehyde as a Co2 source? Reply with quote

 Thanks  Amitava,  I  have  made  the  solution  to  the  concentration  that  you  have  posted  and  started  dosing  1ml  for  a  20  gallon  tank.  
 
 I  feel  the  dosing  is  on  the  low  side,  but  I  wanted  to  start  off  slowly  and  reach  a  higher  dosage.
 
 What  do  you  think  is  a  ballpark  figure  for  the  dosing  of  a  20g  tank?
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venki25
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PostPosted: Mon Nov 06, 2006 1:34 pm Post subject: Re: Glutaraldehyde as a Co2 source? Reply with quote

 Hi  Praani
 
 Your  dosage  is  too  less  for  the  tank.  There  are  some  guys  who  dose  1  ml  of  25%  solution.  what  you're  dosing  is  1.5%
 
 Read  Arup's  postings,  i'm  sure  he  started  off  with  5ml  upto  15  ml  on  his  15  G  tank.  I  used  this  as  the  grade  rule  when  i  started.
 
 You  need  to  observe  and  conclude  the  dosage.  I  read  somewhere  that  Blyxa  aubertii  gets  stressed  with  Excel.  I  monitored  this  plant  and  i  did  not  see  much  difference.  Shrimps  conked  in  Madan's  tank,  so  i  monitored  my  shrimps  too  and  there  were  no  casualities.  I  started  with  15  ml  and  went  upto  30  ml.  I  used  to  monitor  my  discus  for  stress  and  there  was  none.
 
 But  when  i  touched  40  ml  i  could  see  the  neons  were  acting  strange  without  activities.  There  i  had  to  cut  back  to  30  ml......
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praani
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PostPosted: Mon Nov 06, 2006 1:52 pm Post subject: Re: Glutaraldehyde as a Co2 source? Reply with quote

 True,  the  dosage  is  really  low  on  my  tank.  But  I  wanted  to  start  off  slowly  and  then  move  onto  about  15ml  in  about  a  week/10days  time.  With  further  reading  of  your  post  and  the  older  ones,  I  am  guessing  that  about  25-30ml  of  1.5  solution  is  what  I  have  to  aim  for.  My  math  is  bad,  but  what  I  think  that  would  be  equivalent  to  about  1.5ml  of  the  concentrated  25%  solution  right  out  of  the  bottle  right?
 
 Lets  see  how  this  goes...
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rgg
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PostPosted: Mon Nov 06, 2006 5:01 pm Post subject: Re: Glutaraldehyde as a Co2 source? Reply with quote

 Hi  All,
   Â Folks  Do  you  know  that  seachem  has  reveiled  the  polymer  used  in  Seachem  Excel.  Its  not  Glutaraldehyde  but  a  polymer  called  polycycloglutaracetal.
 
 Now  i  am  goona  check  out  if  this  is  available  in  our  labs.
 
 Not  sure  if  i  am  tooo  late  to  know  this.
 
 Also  note  that  there  is  a  mention  that  these  should  not  be  used  with  mosses,  riccia,  and  fissidens.  It  may  cause  them  to  turn  brown  or  even  kill  them.
 
 
 Raghu
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PostPosted: Mon Nov 06, 2006 6:02 pm Post subject: Re: Glutaraldehyde as a Co2 source? Reply with quote

                                                   
rgg  wrote  (View  Post):                
the  polymer  used  in  Seachem  Excel.  Its  not  Glutaraldehyde  but  a  polymer  called  polycycloglutaracetal.                

 Yeah,  did  see  it  on  APC.
 
 
                                                 
rgg  wrote  (View  Post):                
Also  note  that  there  is  a  mention  that  these  should  not  be  used  with  mosses,  riccia,  and  fissidens.  It  may  cause  them  to  turn  brown  or  even  kill  them.                
Daymn!  I've  started  dosing  on  a  tank,  which  mainly  has  Java  Moss...  Will  go  and  trim  it  and  keep  a  backup(!)  and  continue  dosing...  Thanks  for  the  heads  up!!
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suuresh1
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PostPosted: Tue Nov 07, 2006 10:17 am Post subject: Re: Glutaraldehyde as a Co2 source? Reply with quote

 the  polymer  used  in  Seachem  Excel.  Its  not  Glutaraldehyde  but  a  polymer  called  polycycloglutaracetal.  
 Hi  Rgg  dont  waste  your  time  they  are  both  one  &  the  same  thing
 
 Suuresh
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PostPosted: Tue Nov 07, 2006 11:27 am Post subject: Re: Glutaraldehyde as a Co2 source? Reply with quote

 Suresh,
 Yeh!!!!
   I  know  that  For  polymerisation  the  raw  matertial  used  is  Glutaraldehyde.  What  i  wanted  to  look  out  was  what  more  are  we  gonna  get  by  this  polymerisation.  And  availability  of  this  polymer  in  india  if  its  used  for  any  thing  else.
 
 Just  trying  to  go  one  step  ahead.
 
 Raghu
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