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http://indianaquariumhobbyist.com/community/ :: View topic - A simple low maintenance tank.
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A simple low maintenance tank.
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trevor
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PostPosted: Mon May 14, 2007 11:59 am Post subject: Re: A simple low maintenance tank. Reply with quote

                                                   
Madan  wrote  (View  Post):                

 I  have  another  tank  next  to  this  that  has  the  kind  of  rocks  you  speak  of.  I  don't  know  if  Trevor  has  a  picture  of  that  tank.  Both  tanks  were  started  on  Tuesday  last  week.  One  with  driftwood  as  the  centerpiece  and  the  other  with  rocks.                

 
 
 A  close  up  of  the  fine  sea  sand.
 
 The  rock  tank.
 
 The  two  tanks  side  by  side.
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PostPosted: Mon May 14, 2007 12:02 pm Post subject: Re: A simple low maintenance tank. Reply with quote

 Onyx  acidifies  the  water  due  to  it  leaching  some  minerals/decomposing  in  the  water.  Onyx  does  not  have  peat  mixed  with  it.
 
 Aquasoil  Amazonia  and  Tropica's  substrate  acidify  the  water  because  they  leach  humic  acids.  Both  have  peat  mixed  with  it.  Peat  increases  the  CEC  of  the  substrate.
 Any  peat  will  simply  not  do.  It  has  to  be  in  the  right  quantity  and  treated  correctly  before  use.  That's  why  you  see  so  many  peat  based  substrates  sold  which  fail  miserably.  Prodac  is  one  of  them.  The  worst  I  have  seen  is  a  substrate  that  has  clay  and  peat  mixed  in  it  -  I  don't  remember  the  name,  but  I  tore  down  that  tank  in  2-3  months.
 
 I  have  one  tank  still  running  where  I  added  a  couple  of  handful  of  Canadian  Sphagnum  Peat  to  the  bottom  layer  3  years  ago.  The  substrate  turned  acidic  and  I  had  major  problems  with  the  tank,  I  persisted  with  that  tank  to  see  when  it  would  stabilise.  Now  after  3  years  the  tank  is  doing  very  well.  In  fact  only  in  this  tank  did  the  plant  growth  not  slow  down  and  algae  did  not  take  over  when  the  tank  had  no  CO2  injection  for  4  +  months.  My  other  4  tanks  went  through  a  bad  time  without  CO2.
 
 Just  lowering  pH  of  water  will  not  do  any  good.  You  can  lower  the  pH  of  water  by  simply  adding  any  acid.  I  have  another  tank  with  volcanic  soil  in  the  substrate,  it  drops  the  pH  to  about  6.7,  but  that  substrate  is  a  total  failure  both  IME  and  from  all  other  users  I  know  who  have  tried  it.
 
 pH  between  6  -  7  alone  does  not  help  in  anyway  and  cannot  be  used  to  judge  the  substrate.
 
 The  only  good  substrate  is  the  one  with  high  CEC.  Adding  peat  to  the  substrate  increases  the  CEC  exponentially,  the  quality  of  the  peat  is  what  determines  how  good  the  substrate  will  turn  out.  All  peat  is  not  the  same.
 
 The  best  substrate  for  a  newbie  to  planted  tanks  is  still  laterite  +  river  gravel  for  the  bottom  1  inch  topped  off  with  river  gravel  to  3-4  inches.  This  keeps  it  simple  and  plants  grow  well  too.
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PostPosted: Mon May 14, 2007 12:02 pm Post subject: Re: A simple low maintenance tank. Reply with quote

 HI  Madan,
   I  could  see  that  the  Co2  reactor  in  your  tank  along  almost  60%  the  height  of  the  tank.  Correct  me  if  i  am  wrong,  This  looks  like  a  Dymax  reactor  and  is  placed  outside  the  tank.  
 If  so  can  you  please  lemme  know  how  did  you  get  such  a  lengthy  one  is  that  a  new  one  from  them.  Or  is  it  that  you  have  concatinated  2  of  them  by  some  means.
 
 Raghu
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Atanu
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PostPosted: Mon May 14, 2007 12:03 pm Post subject: Re: A simple low maintenance tank. Reply with quote

                                                   
sridharp77  wrote  (View  Post):                
The  cost  of  the  ADA  soil  in  US  or  Singapore  might  be  cheaper.  But  by  the  time  they  come  to  India  they  will  cost  you  almost  3-4  times  their  original  value  if  not  more  sometimes  becasue  of  their  weight.  These  soil  are  not  available  in  India.
 
 Regards,
 
 Sridhar.P                

 
 I  agree  Sridhar..So  DIY  is  the  best  solution..  We  Bangaloreans  have  an  advantage  in  terms  of  the  Laterite  availability.  As  well  as  this  place  is  a  horticulture  and  floriculture  capital  of  India.  Lets  leverage  it.  I  am  sure  ADA  is  not  importing  real  Amazon  soil  or  anything  similar..so  they  are  also  mixing  things  to  hold  the  pH  at  that  level.
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Madan
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PostPosted: Mon May 14, 2007 12:09 pm Post subject: Re: A simple low maintenance tank. Reply with quote

 There  is  a  post  in  the  DIY  forum  where  in  I  gave  details  of  this  reactor  adapted  for  external  use.  I  don't  know  if  it  is  new  or  not,  I've  seen  this  reactor  for  a  few  years  now.
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PostPosted: Mon May 14, 2007 12:41 pm Post subject: Re: A simple low maintenance tank. Reply with quote

 Yes  Atanu  the  best  solution  is  DIY.  
 
 I  had  a  long  discussion  with  Dr.  Unnikrishnan  of  Oriental  Aquarium,  Singapore  when  I  was  allowed  a  tour  of  their  plant  farm  a  few  years  ago.  They  are  the  largest  aquatic  plant  farm  in  the  world.  Dr.  Unni  was  the  Project  Director  with  them  till  a  few  months  ago.
 
 He  told  me  about  peat  in  the  substrate  being  the  best  growing  medium,  but  cautioned  about  the  quality  and  quantity  of  peat  used.  He  was  telling  me  that  peat  found  in  the  Western  Ghats  would  be  an  excellent  starting  point  as  this  kind  of  peat  is  very  good  for  aquatic  plant  growth  in  his  experience.  He  was  Project  Director  for  Oriental  Aquarium  for  over  15  years  and  has  experimented  with  all  kinds  of  substrates.
 
 He  also  told  me  I  would  have  to  fine  tune  the  amount  of  peat  I  added  to  the  substrate  and  viola  there  would  be  a  good  substrate  ready.
 
 The  trouble  is  I  can't  source  good  quality  peat  from  anywhere  in  the  Western  Ghats,  it  would  mean  a  long  trek  in  the  forest,  then  local  information  is  scarce,  explaining  to  the  locals  as  what  exactly  I  am  looking  for  even  more  difficult  and  with  limited  resources  the  experiment  would  take  a  long  long  time.
 
 Again  remember  any  kind  of  peat  will  not  do  -  that  is  the  catch  word.  
 
 Other  than  Aquasoil  series  Dr.  Unni  was  dismissive  of  any  other  commercially  available  substrates  with  peat  in  it  -  calling  all  of  them  "humbug".  Tropica  hadn't  come  out  with  their  substrate  then.  He  should  know  as  he  has  experimented  with  all  kinds  of  substrates.
 
 I  hope  this  news  does  not  start  people  off  using  coco  peat  and  other  useless  stuff  (for  aquariums)  like  compost  etc.,  commonly  available  in  our  markets  and  then  making  all  kinds  of  claims  within  1-4  months  here  in  the  forums  about  how  well  their  plants  are  doing.  I  am  wary  of  sharing  info  here  as  unsubstantiated  claims  will  lead  a  newbie  down  the  path  of  the  famed  LFS  ruin.  It's  happenned  before.Very Happy
 
 Anyway  I  have  just  received  my  1  kg  of  Premiere  Canadian  Sphagnum  Peat,  let's  me  see  what  I  can  do  with  it.
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PostPosted: Mon May 14, 2007 12:45 pm Post subject: Re: A simple low maintenance tank. Reply with quote

 I  have  a  doubt  isn't  the  fine  sand  will  stop  oxygen  penetration  into  the  substrate  resulting  in  death  of  the  anaerobis  bacteria  resulting  in  foul  smell.
 
 Just  curious  to  know.
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PostPosted: Mon May 14, 2007 12:47 pm Post subject: Re: A simple low maintenance tank. Reply with quote

                                                   
Madan  wrote  (View  Post):                
There  is  a  post  in  the  DIY  forum  where  in  I  gave  details  of  this  reactor  adapted  for  external  use.  I  don't  know  if  it  is  new  or  not,  I've  seen  this  reactor  for  a  few  years  now.                

 I  remember  reading  this  article  before.
 But  just  cant  find  it  again.
 Can  somebody  help  me  with  the  link  please.
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PostPosted: Mon May 14, 2007 12:52 pm Post subject: Re: A simple low maintenance tank. Reply with quote

 Anaerobic  bacteria  will  thrive  in  the  absence  of  oxygen.
 
 I  have  seen  tanks  do  quite  well  with  this  type  of  sand  without  any  issues.  I  have  this  sand  at  about  1.5  -  2  inches  thickness,  It  will  reduce  over  time  I  suppose  as  some  sand  gets  lost  during  siphoning  etc.,
 I  am  willing  to  experiment.  That's  the  fun  part.  Very Happy
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PostPosted: Mon May 14, 2007 12:58 pm Post subject: Re: A simple low maintenance tank. Reply with quote

 Rohan,
   So  did  i  .  i.e.  even  i  could  not  find  that  in  the  DIY.
 
 Madan....
 
   Can  you  please  point  that  to  me  when  you  find  time..
 
 Raghu
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PostPosted: Mon May 14, 2007 1:02 pm Post subject: Re: A simple low maintenance tank. Reply with quote

 Ok  here  are  pictures  of  the  external  reactor,  the  older  pictures  must  have  gone  missing  with  the  old  gallery.
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PostPosted: Mon May 14, 2007 1:08 pm Post subject: Re: A simple low maintenance tank. Reply with quote

                                                   
karna  wrote  (View  Post):                
I  have  a  doubt  isn't  the  fine  sand  will  stop  oxygen  penetration  into  the  substrate  resulting  in  death  of  the  anaerobis  bacteria  resulting  in  foul  smell.
 
 Just  curious  to  know.                

 
 Karna,
 If  you  notice  the  picture  carefully..there  is  no  planting  in  the  fine  white  sand  portion  and  all  planting  is  done  on  the  aquasoil  portion.The  fine  sand  is  serving  only  as  a  decorative  substrate.
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PostPosted: Mon May 14, 2007 1:09 pm Post subject: Re: A simple low maintenance tank. Reply with quote

 Bingo...
    What  i  thought  is  right...  This  is  a  Dymax  reactor  infact  2  of  them  sealed  in  the  middle  isint  it.
 
 Raghu
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PostPosted: Mon May 14, 2007 1:10 pm Post subject: Re: A simple low maintenance tank. Reply with quote

 Here  is  the  un-superglued  top  part  of  the  reactor.  This  is  the  top.
 
 Water  enters  from  the  top  and  exits  from  the  bottom.  CO2  enters  from  the  Top  and  down  the  internal  tube.
 It  gets  agitated  in  the  baffle  plates,  water  and  CO2  move  in  opposite  directions  ensuring  no  wastage  of  CO2.
 
 I  have  never  had  to  clean  this  reactor  for  over  a  year  in  use.


Last edited by Madan on Mon May 14, 2007 1:21 pm; edited 1 time in total
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PostPosted: Mon May 14, 2007 1:14 pm Post subject: Re: A simple low maintenance tank. Reply with quote

 Just  saw  this  post...
 Great  tank  Sir...Wish  to  make  something  like  that  some  day...
   Rock On
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