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http://indianaquariumhobbyist.com/community/ :: View topic - SIFUNING
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SIFUNING
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AQUALIFE
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Joined: Feb 02, 2006
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PostPosted: Mon Mar 06, 2006 3:56 pm Post subject: SIFUNING Reply with quote

 DOES  SIFUNING  DISTURB  THE  ANAEROBIC  COLONY.  IS  SIFUNING  REALLY  USEFUL  AND  WHEN  SHALL  IT  BE  DONE  .  WHICH  IS  THE  BEST  SIFUNING  PUMP  .
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sandeepraghuvanshi
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PostPosted: Mon Mar 06, 2006 4:06 pm Post subject:  Reply with quote

 Hi  aqualife,
 All  caps  is  considered  shouting  in  email  etiquette.
 No  regular  siphoning  will  not  hurt  bacteria  colony,  only  if  you  push  your  siphon  deep  into  gravel.
 Siphon  pumps  are  very  simple  to  make  and  very  cheap  to  buy.  The  brand  will  depend  upon  the  city  where  you  reside.
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aquascapes
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PostPosted: Mon Mar 06, 2006 4:34 pm Post subject:  Reply with quote

 Dear  Aqualife,
 you  should  have  posted  your  query  in  the  existing  thread  instead  of  starting  a  new  thread.
 Anyways,
 IMO  -  a  DSB  or  a  plenum  system  as  it  is  called  is  a  very  debated  topic  and  is  now-a-days  not  preffered  by  many  reefers  as  the  modern  concept  is  BB  tanks!
 Siphoning  a  DSB  tank  will  not  disturb  the  an-aerobic  zone  as  it  is  divided  by  a  mat  of  plastic  mesh  and  it  is  not  recommended  to  dig  deep  into  the  sand  while  siphoning  -  the  only  zone  which  needs  water  circulation  or  siphoning  is  the  aerobic  zone  above  the  anaerobic  zone.
 This  is  a  very  complex  and  sensitive  issue  now-a-days  with  reefers!
 hope  this  helps,
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aquascapes
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PostPosted: Mon Mar 06, 2006 4:37 pm Post subject:  Reply with quote

                                                   
sandeepraghuvanshi  wrote:                
Hi  aqualife,
 All  caps  is  considered  shouting  in  email  etiquette.
 No  regular  siphoning  will  not  hurt  bacteria  colony,  only  if  you  push  your  siphon  deep  into  gravel.
 Siphon  pumps  are  very  simple  to  make  and  very  cheap  to  buy.  The  brand  will  depend  upon  the  city  where  you  reside.                

 Sandeep  -  your  opinion  will  change  from  what  you  read  above
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rajeev
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PostPosted: Mon Mar 06, 2006 5:59 pm Post subject:  Reply with quote

 Aqua  what  about  Hydrogen  Sulphide  build  up,  I  have  a  DSB  and  since  it  was  not  properly  maintained  by  me  there  was  a  H2SO4  gas  build  up  and  I  could  see  bubble  rise  from  the  tank  floor  (felt  nice  to  say  that  ...sounded  like  sea  floor    Very Happy  )
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aquascapes
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PostPosted: Mon Mar 06, 2006 6:51 pm Post subject:  Reply with quote

 Chuckle  I  knew  the  moment  you  read  this  you  will  come-up  with  the  hydrogen  sulfide  question  Chuckle  
   
                                                 
Quote:                
not  properly  maintained                

 you  should  have  layers  of  the  bed  as  I  said  seperated  with  a  plastic  mesh.
 This  is  a  highly  debated  issue  and  will  take  a  looooong  discussion.
 The  problem  my  friend  is  with  the  lay-out  try  to  read  some  material  on  the  plenum  system  and  you  will  understand  the  logic  behind  it  -  let  me  be  very  brief  on  this  -
 the  bed  should  be  divided  into  different  layers  of  differing  oxygen  content
 remember,  a  DSB  is  not  what  you  have  -  it  is  around  4-5"  of  substrate  Very Happy  
 divided  into  aerobic  and  an-aerobic    or  anoxic  zones!
 For  example,  take  a  sheet  of  sponge  -  place  it  in  a  tub  and  pour  water  on  it  -  the  water  will  seem  to  flow  over  it  rather  than  through  it  -  now  raise  the  sponge  and  again  pour  water  on  it  -  the  water  will  now  pass  through  it!  (this  is  what  was  explained  to  me  by  an  expert  reefer)
 So  -  moral  of  the  story  is  due  to  the  special  assembly  of  the  bed  -  it  should  start  to  function  like  a  large  live-rock  which  has  both  oxic  and  anoxic  zones!
 The  idea  is  to  have  a  set-up  similar  to  the  undergravel  filtration  -  the  main  difference  however,  is  in  the  function  of  both  the  systems  -  UGF  stresses  the  need  of  water  circulation  in  the  deepest  part  of  the  substrate  where-as  the  plenum  system  stresses  the  point  of  NO  circulation  in  the  deepest  part  of  the  substrate!  -  sorry..........but,  I  can  go  on  and  on!  Chuckle  (I  promised  to  be  brief!)
 if  in  doubt  please  revert  back!
 Your  friendly  neighbour-hood,
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AQUALIFE
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PostPosted: Tue Mar 07, 2006 2:04 pm Post subject:  Reply with quote

 does  anyone  have  any  idea  about  the  red  sea  sand    
 it  costs  around  300  rs  per  kg


Last edited by AQUALIFE on Tue Mar 07, 2006 2:20 pm; edited 1 time in total
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AQUALIFE
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PostPosted: Tue Mar 07, 2006 2:11 pm Post subject:  Reply with quote

 hi    AQUASCAPES
 First  of  all  thanks  for  answering
 Can  u  give  me  a  brief  knowledge  about  how  many  layers  of  substrate  is  necessary  .  At  what  height  shall  the  mesh  be  placed.[/i]
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psimhan
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PostPosted: Tue Mar 07, 2006 3:05 pm Post subject:  Reply with quote

                                                   
aquascapes  wrote:                
:
   sorry..........but,  I  can  go  on  and  on!  Chuckle  (I  promised  to  be  brief!)
 if  in  doubt  please  revert  back!
 Your  friendly  neighbour-hood,                

 
 Please  do  go  on;  I  never  heard  that  promise.  Chuckle  
 
 How  exactly  does  one  go  setting  up  a  DSB?  
 Do  we  require    different  types  of  sand  for  each  layer?
 Do  we  have  to  seperate  layers  from  one  another  and  how  is  that  done?
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aquascapes
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PostPosted: Tue Mar 07, 2006 4:16 pm Post subject:  Reply with quote

                                                   
Quote:                
How  exactly  does  one  go  setting  up  a  DSB?  
 Do  we  require  different  types  of  sand  for  each  layer?  
 Do  we  have  to  seperate  layers  from  one  another  and  how  is  that  done?                

 Hmmm  ..........  looks  like  we  have  a  very  interesting  topic  to  discuss  and  debate  upon  Chuckle  
 well,  I'll  try  to  explain  it  with  a  diagram  let  me  try  my  drawing  skills  Crying or Very sad
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aquascapes
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PostPosted: Tue Mar 07, 2006 10:18 pm Post subject:  Reply with quote

 
 A  picture  says  a  thousand  words!
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ApurvaP
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PostPosted: Wed Mar 08, 2006 9:35 am Post subject:  Reply with quote

 Very  nice  effort  Nauzer!  Really  appriciable!
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AQUALIFE
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PostPosted: Thu Mar 09, 2006 10:48 am Post subject:  Reply with quote

 Hi  Aquascapes,
 where  shall  the  power  head  for  circulation  of  water  be  connected.  at  which  layer  should  the  power  heads  inlet  tube  be  placed  .
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aquascapes
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PostPosted: Thu Mar 09, 2006 9:25 pm Post subject:  Reply with quote

 Why  do  you  want  to  attach  a  power  head  AL?
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AQUALIFE
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PostPosted: Fri Mar 10, 2006 1:59 pm Post subject:  Reply with quote

 Hi  Aquascapes,  
 my  tank  dimensions  are  (36x14x20)  
 what  should  be  the  capacity  of  the  power  head  used  for  circulating  water  in  the  tank
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