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http://indianaquariumhobbyist.com/community/ :: View topic - 6 questions abt going on with a co2 injected planted tank..
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6 questions abt going on with a co2 injected planted tank..
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cokeamod
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PostPosted: Mon Aug 20, 2007 1:32 am Post subject: 6 questions abt going on with a co2 injected planted tank.. Reply with quote

 Hi  guys,  
 Started  my  first  pressurized  co2  planted  tank..details:
 Tank  size:  28"Lx22"Bx30"H  (not  to  worry,  access  is  on  three  sides.)
 Lighting:  1x  150W  daylight  Osram  6500k  MH.  (only  going  to  put  greens).
 Substrate:  1/2inch  baked  laterite  topped  with  4,  4.5"  river  sand.
 Filter:  Internal  filter  with  attached  DIY  diffuser.
 Fish:  none  as  yet.
 
 Plants:  Put  many  stem  plants  as  advised  -  including  Hygrophila  polysperma,  Hygrophila  corymbosa,  Hygrophila  difformis,  Bacopa  caroliniana,  Cabomba  caroliniana,  and  others  including,  Rotala  rotundifolia,  Java  ferns,  Vallisneria  spiralis  var.tortissima,  Tonina  sp.'belem',  2  diff  kinds  of  grass,  and  lots  of  glosso  (courtesy:  venkatji!!Bow)
 
 Questions:  1)  The  plants  are  put  in  today  itself  with  60%  occupied  by  the  aggressive  plants  and  20-25%  with  glosso,  so  how  do  i  start  my  light  regime?  Currently  i  am  thinking  of  starting  with  around  6-7  hours  considering  its  a  MH.
 
 2)  When  do  i  start  co2(also,  what  is  the  optimum  bubble  count\sec?)  when  to  start  ferts  dosing?  I  was  thinking  maybe  after  around  2  weeks.
 
 3)  Water  changes  in  the  first  1-2  months?  I  am  thinking  around  20%  every  2-3  days  (not  including  weekly  50%).
 
 4)  At  what  point  do  i  start  putting  some  demanding  plants  like  nuphar  etc.?
 
 5)  Personal  suggestions  for  glosso  please!
 
 6)  Do  any  of  you  planted  guys  actually  test  for  co2  levels?  As  in,  with  ph/kh/co2  table?
 regards,
 amod.
 Will  update  with  some  photos  on  tuesday  for  sure,  just  had  to  kick  start  the  thread  for  some  much  needed  advice!!
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PostPosted: Mon Aug 20, 2007 12:19 pm Post subject: Re: 6 questions abt going on with a co2 injected planted tan Reply with quote

 1.  Ok  do  that
 
 2.  You  should  start  CO2  as  soon  as  you  fill  up  the  aquarium  with  water.  Ferts  dosing  can  wait  a  week  to  10  days.  After  which  go  to  the  levels  indicated  by  EI,  use  Chuck  Gadd's  Calculator  to  find  the  quantity  for  macros.  Don't  dose  MgSO4.  It's  not  required.  Don't  come  back  and  say  I  am  using  PMDD  and  I  have  algae.  Your  tank  is  highlight  (MH)  You  need  to  add  KNO3,  KH2PO4  and  K2SO4  along  with  PMDD  and  keep  all  levels  up.  Including  CO2.  If  algae  starts  with  the  above  dosing,  increase  your  CO2.
 
 3.Do  that.
 
 4.You  can  put  them  in  right  now!
 
 5.Not  from  me!
 
 6.  Nope,  I  did  it  initially  in  the  beginning,  but  since  I  add  phosphates  to  my  tank  it  screws  around  with  pH.  So  it's  not  very  reliable.  1  bubble  per  second  through  a  reactor  is  good  enough  CO2.
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cokeamod
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PostPosted: Mon Aug 20, 2007 12:37 pm Post subject: Re: 6 questions abt going on with a co2 injected planted tan Reply with quote

                                                   
Quote:                
 Don't  dose  MgSO4.  It's  not  required.  Don't  come  back  and  say  I  am  using  PMDD  and  I  have  algae.                  
 
 Meaning  do  not  add  MgSO4  to  your  main  PMDD  soup  right?
 
 
                                                 
Quote:                
 go  to  the  levels  indicated  by  EI,  use  Chuck  Gadd's  Calculator  to  find  the  quantity  for  macros.                  

 Yes  i  have  that,  but  just  a  doubt,  my  tank  is  an  orthodox  sized  as  you  see,  i  mean  there  is  lot  of  unused  'space'  in  the  tank  due  to  the  height...  so  should  i  dose  a  little  less  than  what  he  suggests?
 Regards,
 amod.
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PostPosted: Mon Aug 20, 2007 12:59 pm Post subject: Re: 6 questions abt going on with a co2 injected planted tan Reply with quote

                                                   
Quote:                
my  tank  is  an  orthodox  sized  as  you  see,  i  mean  there  is  lot  of  unused  'space'  in  the  tank  due  to  the  height...  so  should  i  dose  a  little  less  than  what  he  suggests?                

 
 Shouldn't  matter..  its  a  guideline.
 Point  is  to  keep  nutrients  at  a  relative  excess.
 
 A  little  more  should  not  matter.  Less  will  possibly  give  you  algae  Smile
 
 Regards,
 Venkat
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PostPosted: Mon Aug 20, 2007 4:19 pm Post subject: Re: 6 questions abt going on with a co2 injected planted tan Reply with quote

 There  is  no  need  to  add  it  separately.  Adding  a  small  amount  to  your  PMDD  will  not  make  a  difference.
 
 Chuck  Gadd's  calculator  also  tells  you  how  much  MgSO4  to  add.  That  is  for  very  soft  water.  In  our  tap  water  in  almost  all  cities  there  is  enough  Mg.  Adding  more  in  teaspoons  or  fractions  of  teaspoons  will  create  problems  after  a  while.  Mg  stops  the  uptake  of  other  micros  after  a  while.
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PostPosted: Mon Aug 20, 2007 4:25 pm Post subject: Re: 6 questions abt going on with a co2 injected planted tan Reply with quote

 Venkat....
 
   My  perception  is  that  less  or  more  does  not  give  alage  vows...  But  an  imbalence  in  them  certainly  will.
 
 Raghu
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PostPosted: Mon Aug 20, 2007 5:20 pm Post subject: Re: 6 questions abt going on with a co2 injected planted tan Reply with quote

 Less  causes  the  imbalance.
 
 Leibitz'z  Law  of  minimum.
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PostPosted: Mon Aug 20, 2007 5:23 pm Post subject: Re: 6 questions abt going on with a co2 injected planted tan Reply with quote

 Hi  Raghu,
 
 I  think  you  are  talking  in  terms  of  PMDD  not  EI.
 
 Dosing  less  relative  to  the  MH  lighting  and  CO2  WILL  probably  give  you  algae  as  it  will  cause  the  imbalance  in  uptake  that  you  are  talking  about.  As  I  understand  Tom’s  method,  the  idea  is  to  always  ensure  that  you  err  on  the  positive  side  of  dosing…ergo,  better  to  dose  more  than  to  dose  less…
 
 Regards,
 Venkat
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PostPosted: Sat Aug 25, 2007 10:41 pm Post subject: Re: 6 questions abt going on with a co2 injected planted tan Reply with quote

 Hey  people,  updating  with  some  pics  and  more  details..
 
 
 
 
 
 
 As  you  can  see,  almost  all  are  stem  plants,  some  glosso..  only  2  amano  shrimps.
 1)  Is  the  glosso  planted  right?  Is  that  enough  space  between  them?
 2)  Should  i  fill  the  space  currently  'reserved'  for  the  Glosso?
 
 Current  lighting  around  6-6.5  hours,  co2  1  bubble  per  3  secs,  no  dosing  as  yet,  water  changes  20%  every  alternate  day,  2  drops  of  glutaraldehyde  every  day.
 Getting  some  algae,  will  keep  updating  with  pics  as  per  events..
 regards,
 amod.


Last edited by cokeamod on Sun Aug 26, 2007 1:52 pm; edited 1 time in total
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PostPosted: Sun Aug 26, 2007 9:51 am Post subject: Re: 6 questions abt going on with a co2 injected planted tan Reply with quote

 H  amod,
 Nice  looking  Tank,
 
   I  have  a  strong  feeling  that  the  light  is  not  sufficient  for  the  glosso,  they  seem  to  be  reaching  for  the  light.  
 Also  notice  that  you  have  a  few  dark  spots  ie,  the  spread  of  your  light  is  not  reaching  all  the  areas  of  your  tank.
 
 If  you  increase  the  glosso  you  will  need  to  work  on  the  lights  as  well.
 
 Note:  glutaraldehyde  is  known  to  be  fatal  to  shrimp.  And  i  am  not  sure  but  is  it  necessary  to  use  glutaraldehyde  when  you  already  have  Co2  ?
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cokeamod
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PostPosted: Sun Aug 26, 2007 1:35 pm Post subject: Re: 6 questions abt going on with a co2 injected planted tan Reply with quote

                                                   
Quote:                
  I  have  a  strong  feeling  that  the  light  is  not  sufficient  for  the  glosso,  they  seem  to  be  reaching  for  the  light.                  

 No  that  is  not  the  case,  they  were  like  that  from  day  one,  not  yet  started  growing.
 And  regarding  the  light,  glosso  at  28"  height  from  a  150W  MH  with  reflector?  What  say?
 
 
                                                 
Quote:                
glutaraldehyde  is  known  to  be  fatal  to  shrimp.  And  i  am  not  sure  but  is  it  necessary  to  use  glutaraldehyde  when  you  already  have  Co2  ?                

 Using  it  in  shrimp  tanks  since  the  glutaraldehyde  craze  began,  no  mortality  yet..  and  using  it  for  algae  not  as  a  carbon  source.
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PostPosted: Sun Aug 26, 2007 10:33 pm Post subject: Re: 6 questions abt going on with a co2 injected planted tan Reply with quote

 glosso  looks  fine  to  me...
 They  should  start  settling  down  within  a  week  if  the  light  is  sufficient.  Let  the  space  between  them  remain.  They  will  need  it  when  they  spread  out.  Did  you  have  any  die-off  due  to  the  emersed  growth?
 
 What  hapened  to  the  hair  grass.  I  don't  see  it  in  the  tank?
 
 Regards,
 Venkat
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PostPosted: Sun Aug 26, 2007 10:46 pm Post subject: Re: 6 questions abt going on with a co2 injected planted tan Reply with quote

                                                   
Quote:                
Did  you  have  any  die-off  due  to  the  emersed  growth?                  

 Fortunately  no  die-off  yet!
 
                                                 
Quote:                
What  hapened  to  the  hair  grass.  I  don't  see  it  in  the  tank?                  

 Its  there  on  the  right  side  of  the  glosso,  due  to  the  photo  size  you  cant  see  it,  its  also  alive..
 
 By  the  way  update  for  today  is  installed  a  frontier  timer  for  the  MH,  now  tomorrow  is  the  first  testing  day!
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PostPosted: Mon Aug 27, 2007 11:36 am Post subject: Re: 6 questions abt going on with a co2 injected planted tan Reply with quote

 Hi  Amod
 
    The  tanks  looking  good!  That  substrate  (river  sand)  looks  reach!  
 
 The  glosso  is  ready  to  take  off  now,  it  will  grow  fast  if  you  trim  the  ones  that  are  growing  tall,  I  did  it  and  then  had  a  great  carpet  in  about  a  month.
   Only  one  concern,  the  glutaraldehyde,  hope  you  know  some  plants  also  get  affected  by  it.  Agreed  it’s  an  algaecide  but  the  glosso  might  also  get  affected.  
    If  possible  remove  the  glutaraldehyde  slowly  out  of  the  equation,  and  start  the  dosing  in  another  week  or  so.
   The  space  is  perfectly  fine  it  will  be  covered  soon!   Very Happy
 
 Regards
   Harshal
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PostPosted: Mon Aug 27, 2007 2:11 pm Post subject: Re: 6 questions abt going on with a co2 injected planted tan Reply with quote

 Thanks  harshal  for  your  suggestions..  though  right  now  its  nothing  more  than  an  amateurs  tank..  still  waiting  a  bit  to  add  some  rosette  or  bulb  plants..
 By  the  way,  anyone  in  mumbai  doing  any  trimming,  kindly  pm  me!  Smile
 
 Good  idea  on  the  trimming,  just  waiting  a  bit  for  them  to  show  new  growth  cause  they  were  not  in  a  submersed  state  earlier..  
 
 
                                                 
Quote:                
Agreed  it’s  an  algaecide  but  the  glosso  might  also  get  affected.                  
 Didnt  find  anything  of  concern,  anybody  has  any  experiences  regarding  glosso  and  GD?
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