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http://indianaquariumhobbyist.com/community/ :: View topic - Experience using Activated Carbon-back to basics
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Experience using Activated Carbon-back to basics
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What would be the Result- Did it clean the water?
Nothing happened
0%
 0%  [ 0 ]
Water remained hazzy with ammonia spike
20%
 20%  [ 1 ]
Water Cleaned 50% but tank glass needs wiping
60%
 60%  [ 3 ]
water Cleaned 75% but took lots of time
20%
 20%  [ 1 ]
Total Votes : 5

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nitv007
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PostPosted: Mon Aug 27, 2012 2:05 pm Post subject: Re: Experience using Activated Carbon-back to basics Reply with quote

 hi,
 
 Activated  carbon  absorbs  all  the  impurities  in  the  water   which  makes  your  water  crystal  clear.  But  A  C  cant  absorb  all  the  impurities  for  ever,  it  will  stop  absorbing  and  starts  giving  out  the  impurities  which  were  absorbed  earlier.  To  reuse  the  AC  ,  we  have  to  heat  the  A  C  or  put  it  under  sun  light,  so  that  it  give  away  all  the  impurities  and  re-generate  the  absorption  capacity.  
 
 Those  are  my  knowledge  about  A  C,  may  be  those  experienced  people  in  A  C  can  help  to  get  more  detail  how  to  re-generate  absorption  capacity  of  A  C.
 
 
 
 
 Regards
 nitin
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garothmaan
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PostPosted: Mon Aug 27, 2012 2:29 pm Post subject: Re: Experience using Activated Carbon-back to basics Reply with quote

                                                   
nitv007  wrote  (View  Post):                
hi,
 Activated  carbon  absorbs  all  the  impurities  in  the  water   which  makes  your  water  crystal  clear.  But  A  C  cant  absorb  all  the  impurities  for  ever,  it  will  stop  absorbing  and  starts  giving  out  the  impurities  which  were  absorbed  earlier.  To  reuse  the  AC  ,  we  have  to  heat  the  A  C  or  put  it  under  sun  light,  so  that  it  give  away  all  the  impurities  and  re-generate  the  absorption  capacity.  
 Those  are  my  knowledge  about  A  C,  may  be  those  experienced  people  in  A  C  can  help  to  get  more  detail  how  to  re-generate  absorption  capacity  of  A  C.
 Regards
 nitin                

 
 its  past  4  months  I  am  using  it.I  have  only  washed  it  with  tap/tank  water  everytime  I  have  opened  my  filter  for  cleaning.  I  may  have  cleaned  it  about  8  times  for  its  application  in  different  sizes  of  containers.  Small-Medium-large.  Let  me  tell  you,  after  re  arranging  the  media,  the  gunk  actually  drops  down  at  the  bottom  and  the  conversion  of  nitrogen  cycle  takes  place  at  the  bottom.  See  my  bucket  white  filter  with  all  the  brown  gunk  on  the  top.  Why  this  happened?  because  I  had  placed  the  active  carbon  on  the  lowermost  part  of  the  bucket.  After  I  moved  AC  -  to  the  top  most  part  of  the  bucket,  below  that  sponge,  below  that  wool,  filteratrion  has  changed  course.
 
 When  you  actually  open  such  cannister  filters  a  strong  camphorish  smell  comes  out,  thats  what  is  good  filteration  IMO.  If  your  filter  media  (including  sponge  filters)  smell  like  poo  then  your  nitrogen  cycle  has  not  built  up.   Smile
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nitv007
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PostPosted: Mon Aug 27, 2012 2:58 pm Post subject: Re: Experience using Activated Carbon-back to basics Reply with quote

 hi,
 
   happy  to  hear  that  you  are  running  this  setup  for  4  months   Smile     
 
 normally  activated  carbon  has  absorption  capability  for  3  months,  its  recommended  to  change  the  carbon  after  3  months.  
 
 washing  the  carbon  will  just  clean  it  but  will  not  enhance  the  absorption  capability.  the  A  c  will  act  as  a  biological  filter   as  it  grows  old.
 
 regards
 
 nitin
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garothmaan
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PostPosted: Mon Aug 27, 2012 3:27 pm Post subject: Re: Experience using Activated Carbon-back to basics Reply with quote

                                                   
nitv007  wrote  (View  Post):                
hi,
 
 happy  to  hear  that  you  are  running  this  setup  for  4  months   Smile     
 normally  activated  carbon  has  absorption  capability  for  3  months,  its  recommended  to  change  the  carbon  after  3  months.  
                 

 
 Which  physical  form  of  carbon  are  you  talking  about?  perfect  made  cylindrical  tablets,  rings,  or  round  ball  onse?
 
 
                                                 
nitv007  wrote  (View  Post):                

 washing  the  carbon  will  just  clean  it  but  will  not  enhance  the  absorption  capability.  act  as  a                  

 
 Arent  Ac  only  supposed  to  hold  the  gunk  (attached)  on  the  surface?  and  not  absorb  any  gunk?  
 
 then,  if  we  burn  the  A  c  or  put  it  in  the  sun,  what  will  actually  happen?  the  absorption  will  insrease  or  the  surface  will  release  the  gunk  due  to  expansion  of  the  A  c?
 
 
                                                 
nitv007  wrote  (View  Post):                

 the  A  c  will  act  as  a  biological  filter   as  it  grows  old.
                 

 
 this  may  happen  when  the  whole  surface  is  covered  with  gunk.  
 
 but  please  see  the  filteration  procedure  in  that  filter  once  again.  Please  See  how  the  water  flows  in  and  out,  please  see  how  the  gunk  drops  down  and  gets  trapped  in  the  sponge,  see  how  it  remains  in  the  central  media  in  order  to  allow  A  c  to  just  polish  the  water  and  send  it  back  to  the  tank.  In  this  case  what  are  the  chances  of  A  c  getting  clogged?
 
 You  see,  the  placement  of  the  media  and  the  intake  pipe  is  such,  that  water  is  also  working  to  settle  the  gunk  down.  see  the  photos  very  perfectly  and  then  give  one  more  opinion  please.  The  mechanics  are  serving  the  purpose  of  filteration.  
 
 You  have  a  great  vision-  its  interesting  Very Happy
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PostPosted: Mon Aug 27, 2012 4:21 pm Post subject: Re: Experience using Activated Carbon-back to basics Reply with quote

 hi  Garothmaan  ,
 
 i  am  speaking  about  Activated  carbon  granules  ,  which  we  normally  use.  
 
 Activated  carbon  has  the  highest  surface  compared  to  the  other   materials  which  we  use.   
 This  is  how   A  c  works,  it  will  attract  all  the  impurities  like  (inorganic  ,  organic  compounds,  gas,  trace  elements  )  via  iconic  bond.  since  it  has  the  highest  surface  area  it  can  absorb  lots  of  these  elements.  
 Following  is  the  descending   priority  by  which  it  will  absorb  .  
               Inorganic  compounds
               Organic  compounds,
               Elements  like  iron,  potassium  etc
               Gas
 
 Activated  carbon  will  not  absorb  nitrates,  nitrites  or  ammonia.
 
 Once  it  has  saturated,  it  will  not  absorb  any  more  elements.  
 
 If  there  is  a  change  in  ph  of  water  or  if  add  any  chemicals  like  medication,  then  activated  carbon  will  leech  all  the  absorbed  materials  into  the  water
 
 if  you  burn  A  c  it  is  of  no  use.  and  about  enhancing  the  absorption  capability  of  A  C  by  sunlight,  i  dont  know  if  it  works  for  our  aquarium  based  A  C.
 
 
 About  filtration  technique,  i  would  suggest  you  add  few  more  layer  of  foam  or  sponge  filter.  Normally  A  C  is  used  at  the  last  layer  in  filter.
 
 
 Thanks  you  for  your  compliments.   Very Happy  
 
 
 regards
 nitin
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garothmaan
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PostPosted: Mon Aug 27, 2012 4:40 pm Post subject: Re: Experience using Activated Carbon-back to basics Reply with quote

 I  am  quoting  this  from  a  good  aquarium  website.
 
 "  A  biological  filter  is  a  medium  designed  for  nitrifying  bacteria  to  colonise  and  thrive  in.  Active  carbon  filters  can  also  help  keeping  the  levels  of  soluble  waste  down,  since  activated  carbon  will  absorb  nitrogen  as  well  as  other  toxic  compounds.  "
 
 Ammonia  is  Nitrogen+Hydrogen  Very Happy  as  per  Wikipedia.
 
 and  I  am  using  flat  asymetrical  crystaline  AC.  its  sharp.
 
 Anyways  thanks  for  your  valuable  and  interesting  inputs  Thumb Up   god  bless
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PostPosted: Tue Sep 18, 2012 11:01 pm Post subject: Re: Experience using Activated Carbon-back to basics Reply with quote

 Oh!  Goro
 I  can't  believe  you  kept  all  those  goldies  and  snails  in  two  feet  tank.  No  dought  how  efficiant  activated  carbon  can  be.  Do  you  still  have  those  goldies  and  snails?  
   Thanks  percy  for  sharing  all  these  info.
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PostPosted: Tue Jan 15, 2013 8:25 pm Post subject: Re: Experience using Activated Carbon-back to basics Reply with quote

 AND  NOW  the  FINAL  achievement-  ACTIVATED  CARBON-  in  intense  test  
 
 Highly  poluted  water-  with  goldies  Smile  
 
 
 
 Filteration  with  canister  DIY-Recycled  except  powerhead/pump
 
 
 
 RESULT  Cheering  
 
 
 
 Water  parameters  on  friday,  given  for  test  Confused   and  fingers  crossed
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PostPosted: Sat Feb 09, 2013 11:01 am Post subject: Re: Experience using Activated Carbon-back to basics Reply with quote

 ROFL   ROFL   ROFL   ROFL   ROFL  
 Dude!  what's  happening  here?
 You're  arguing  about  AC  collecting  'gunk'?!?!?!
 
 The  function  of  activated  carbon  is  not  to  collect  gunk,  but  to  absorb  dissolved  chemicals  (mostly  toxic)  from  water.  You  yourself  have  stated
 "Active  carbon  filters  can  also  help  keeping  the  levels  of  soluble  waste  down,  since  activated  carbon  will  absorb  nitrogen  as  well  as  other  toxic  compounds."...  please  observe  that  AC  absorbs  SOLUBLE  WASTE...  NOT  "gunk".
 
 the  first  part  of  your  quote;  "A  biological  filter  is  a  medium  designed  for  nitrifying  bacteria  to  colonise  and  thrive  in"  has  been  taken  out  of  context  here.  I  think  that  statement  was  the  end  part  of  the  explanation  for  bio  filtration.  the  next  sentence  has  started  talking  about  AC  which  is  NOT  bio  filtration  BUT  chemical  filtration.
 
 The  shape  of  AC  granules  has  absolutely  no  bearing  on  the  functioning  of  it.  Yes,  what  you  have  shown  in  pics  is  activated  carbon.  Activated  carbon  has  very  good  effects  on  water  quality.  BUT  its  effect  is  very  short  lived.  The  life  of  AC  in  your  filter  depends  on  the  amount  of  dissolved  impurities.  In  your  case,  with  that  HUGE  bio-load,  that  AC  was  dead  in  a  week  after  you  put  it  in  there.  NOW,  and  only  NOW  it  is  acting  as  bio-filter  because  it  has  lost  its  chemical  treating  properties,  and  is  just  some  surface  for  de-nitrifying  bacteria  to  colonize.  You  have  to  replace  AC  with  fresh  AC  every  15  days  or  so.  I'm  not  sure  if  there  is  a  way  to  're'activate  the  used  up  carbon,  but  in  general  you  have  to  use  a  fresh  batch.  Also,  not  100gms...  You  would  have  to  use  atleast  half  a  kilo  at  a  time.  and  in  your  case  even  more.
 
 And  please  move  your  fish  to  a  larger  tank.  Just  because  they  are  alive  does  not  mean  they  are  happy.  A  two  footer  may  be  good  for  ONE  goldfish  for  its  entire  lifespan.  not  even  2.
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PostPosted: Sat Feb 09, 2013 12:56 pm Post subject: Re: Experience using Activated Carbon-back to basics Reply with quote

 Surprised   Another  SMART  Scientist
 
 Now  lets  SEE  how  that  book  science  of  yours  should  be  analysed
 
 
                                                 
Athreyan  wrote  (View  Post):                

 Dude!  what's  happening  here?
 You're  arguing  about  AC  collecting  'gunk'?!?!?!
                 

 
 I  am  not  arguing,  I  have  already  proved  that  AC  as  1  filteration  component  works  well  with  other  media:)   
 
 
                                                 
Athreyan  wrote  (View  Post):                

 The  function  of  activated  carbon  is  not  to  collect  gunk,  but  to  absorb  dissolved  chemicals  (mostly  toxic)  from  water.  You  yourself  have  stated
 
 "Active  carbon  filters  can  also  help  keeping  the  levels  of  soluble  waste  down,  since  activated  carbon  will  absorb  nitrogen  as  well  as  other  toxic  compounds."...  
                 

 
 Right-  but  you  forgot  the  word  "ALSO"  which  is  in  the  sentence  there.
 
 
                                                 
Athreyan  wrote  (View  Post):                

 please  observe  that  AC  absorbs  SOLUBLE  WASTE...  NOT  "gunk".the  first  part  of  your  quote;  "A  biological  filter  is  a  medium  designed  for  nitrifying  bacteria  to  colonise  and  thrive  in"  has  been  taken  out  of  context  here.  I  think  that  statement  was  the  end  part  of  the  explanation  for  bio  filtration.  the  next  sentence  has  started  talking  about  AC  which  is  NOT  bio  filtration  BUT  chemical  filtration.
 .                

 
 I  know  that...  thats  why  there  are  other  medias  added  within  that  filter.  
 
 Tell  me  ......which  filteration  or  process  of  filteration  is  happening  first,  Biological  or  chemical  and  which  process  is  happening  at  the  end?  Smile  
 
 
                                                 
Athreyan  wrote  (View  Post):                

 The  shape  of  AC  granules  has  absolutely  no  bearing  on  the  functioning  of  it.  
                 

 
 Ofcourse  it  has-  when  water  if  forced  between  sharp  material   doesnt  it  get  polished  ?-  its  called  "friction"  doesnt  it?
 
 Dirty  water  with  other  soluble  components  when  passed  through  AC   will  adhere  to  sutface..and  render  the  water  clean  ....right?
 
 
                                                 
Athreyan  wrote  (View  Post):                

 Yes,  what  you  have  shown  in  pics  is  activated  carbon.  Activated  carbon  has  very  good  effects  on  water  quality.  BUT  its  effect  is  very  short  lived.  The  life  of  AC  in  your  filter  depends  on  the  amount  of  dissolved  impurities.  In  your  case,  with  that  HUGE  bio-load,  that  AC  was  dead  in  a  week  after  you  put  it  in  there.
                 

 
 Thats  the  test  -its  called  "cause  and  effect"  all  the  DIY  filterations  have  their  limitations  also.
 
 
                                                 
Athreyan  wrote  (View  Post):                

 NOW,  and  only  NOW  it  is  acting  as  bio-filter  because  it  has  lost  its  chemical  treating  properties,  and  is  just  some  surface  for  de-nitrifying  bacteria  to  colonize.  You  have  to  replace  AC  with  fresh  AC  every  15  days  or  so.  I'm  not  sure  if  there  is  a  way  to  're'activate  the  used  up  carbon,  but  in  general  you  have  to  use  a  fresh  batch.  Also,  not  100gms...  You  would  have  to  use  atleast  half  a  kilo  at  a  time.  and  in  your  case  even  more.
                 

 
 The  bacteria  cycle  had  started  from  day  1,  only  that  it  was  low  as  there  is  no  substarte  in  that  tank.  I  professional  filter  with  ceramic  media  takes  6  to  8  weeks  to  stabilise.  in  that  filter  also  there  are  multiple  medias.
 
 What  if  I  say  that,  the  water  which  entered  the  filter  was  "washing"  the  active  carbon  also?
 
 If  the  Nitrogen  cycle  is  working,  then  how  much  %  of  work  Ac  has  to  do?  load  on  AC?
 
 the  bottom  of  the  filter  will  have  less  toxic  waste  .....which  will  remain  on  the  bottom.
 
 
                                                 
Athreyan  wrote  (View  Post):                

 And  please  move  your  fish  to  a  larger  tank.  Just  because  they  are  alive  does  not  mean  they  are  happy.  A  two  footer  may  be  good  for  ONE  goldfish  for  its  entire  lifespan.  not  even  2.                

 
 I  know  that-  
 
 Now  they  are  in  a  3  feeter  Tank.  And  I  have  seen  good  coloration  already  happening  including  their  size  increase.  I  change  water  daily  though(  isnt  it  1  fish  per  gallon?)
 
 all  that  on  paper  doesnot  happen  in  realtime-
 
 There  is  a  thin  line  between  truth  and  faith  -  "ITS  REALITY"  I  am  very  thankful  for  your  post...  god  bless   ...  you  are  a  very  intelligent  person,  and  thanks  for  adding  to  my  knowledge.
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Athreyan
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PostPosted: Sat Feb 09, 2013 1:35 pm Post subject: Re: Experience using Activated Carbon-back to basics Reply with quote

 Firstly,  let  me  tell  you,  I'm  anything  but  a  scientist!
 
 When  you  want  to  do  a  study/research  (especially  this  kind),  it  must  be  on  the  basis  of  facts/data.  Not  on  whether  the  water  looks  yellow  or  murky  or  camphory  or  whatever  it  may  look  like  or  smell  like.  You  have  shown  no  facts  or  data,  so  please  stop  glorifying  whatever  you  did  by  calling  it  a  study/research.
 
 I  understand  that  AC  can  act  as  bio  filter,  but  why  do  you  need  to  use  such  an  expensive  medium  (which  is  meant  for  other  purposes  in  any  case)  for  a  function  that  can  be  performed  by  something  much  simpler,  inexpensive  or  more  permanent.  Ceramic  rings,  or  bio  balls  would  have  done  the  job  just  as  well.  If  you  think  these  are  expensive,  all  you  have  to  do  is  get  some  plastic  scouring  pads  (you  may  get  ten  for  Rs.50  or  so)  and  put  it  in  your  filter.
 
 Finally,  its  not  1  fish  per  gallon.  It  is  1  inch  of  fish  (full  grown  adult)  per  gallon.
 
 And  please,  you  don't  have  to  be  sarcastic.  We  are  all  here  only  to  share  knowledge.  Its  not  like  I  invented  these  things  or  anything.  I'm  just  passing  on  what  I  have  read  or  imbibed.
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garothmaan
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PostPosted: Mon Feb 11, 2013 5:00 pm Post subject: Re: Experience using Activated Carbon-back to basics Reply with quote

 ROFL   ROFL   ROFL   ROFL  Puhleees  dont  get  angry.....I  know  you  have  read  it.  I  have  already  thanked  you  for  adding  to  my  knowledge.
 
 This  tank  is  34  Gal  (US)   Smile
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garothmaan
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PostPosted: Tue Feb 12, 2013 1:03 pm Post subject: Re: Experience using Activated Carbon-back to basics Reply with quote

 http://www.aqua-fish.net/show.php?h=aquariumwaterhardness
 
 Water  parameters  with  components-  a  good  read
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jabba
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PostPosted: Tue Mar 12, 2013 7:33 pm Post subject: Re: Experience using Activated Carbon-back to basics Reply with quote

 @Athreyan:  you  are  still  an  amateur  in  this  forum  you  will  soon  learn  that  some  fights  cannot  be  won  Chuckle   Chuckle  .
 
 @garothman:  you  continue.............................
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Athreyan
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PostPosted: Tue Mar 12, 2013 7:58 pm Post subject: Re: Experience using Activated Carbon-back to basics Reply with quote

 Jabba:   ROFL   ROFL   ROFL  yes  I  agree  
 this  was  a  long  time  ago,  when  I  hadn't  learnt  about  aggressive  species,  fin  nippers  &  compatibility.  now  I'm  much  the  wiser.  Halo      Doh
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