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http://indianaquariumhobbyist.com/community/ :: View topic - Help me with Eheim filtering media
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Help me with Eheim filtering media

 
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nitshi
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PostPosted: Thu Jul 31, 2008 6:27 pm Post subject: Help me with Eheim filtering media Reply with quote

 I  finally  ordered  eheim  2078.The  filter  media  are  ehifymech  and  efhisubstrate.  I  understand  ehefimech  are  the  ceramic  rings.But  what  is  ehefisubstrate???
 Also  ,is  there  no  carbon  used  in  it.???
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Madan
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PostPosted: Thu Jul 31, 2008 8:17 pm Post subject: Re: Help me with Eheim filtering media Reply with quote

 Efhi  Substrate  is  sintered  glass.  It  has  high  porosity.  1  kg  has  a  surface  area  of  4000  sq.mtr  due  to  the  porosity.
 
 If  you  want  carbon  Eheim  makes  Efhi  Karbon.  Bloody  expensive.
 
 I  would  suggest  you  use  Lab  grade  Granular  Activated  carbon.
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nitshi
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PostPosted: Fri Aug 01, 2008 12:16 am Post subject: Re: Help me with Eheim filtering media Reply with quote

 @madan
 
 how  dos  this  ehif  substrate  help??
 However  am  buying  the  ceramics  rings  and  carbon  bags  locally  of  other  brands  because  eheim  media  is  expensive.
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Tool
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PostPosted: Fri Aug 01, 2008 12:32 am Post subject: Re: Help me with Eheim filtering media Reply with quote

 Hello  Nitishi  Smile
 umm  Ehif  substrate  works  because  of  its  high  surface  area  and  porosity  just  like  sir  madan  has  said.
 what  it  does  basically  is  it  provides  a  huge  surface  area  for  biological  filteration.
 It  has  microscopic  sized  holes  in  it  through  which  water  can  flow  and  that  will  keep  the  beneficial  bacteria  that  will  live  in  these  holes  supplied  with  plenty  of  oxygen.  
 It  also  it  acts  as  a  mechanical  filter  as  well  because  as  water  passes  through  the  microscopic  holes  all  the  tiny  particles  get  trapped  in  the  ehif  substrate  as  well.
 hope  this  helped  Smile
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Deepak_Brid
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PostPosted: Fri Aug 01, 2008 9:33 am Post subject: Re: Help me with Eheim filtering media Reply with quote

                                                   
Tool  wrote  (View  Post):                
provides  a  huge  surface  area  for  biological  filteration.                

 
 Correct.
 
 
                                                 
Tool  wrote  (View  Post):                
It  has  microscopic  sized  holes  in  it  through  which  water  can  flow  and  that  will  keep  the  beneficial  bacteria  that  will  live  in  these  holes  supplied  with  plenty  of  oxygen.                

 
 Partly  correct.
 The  pores  towards  the  exterior  colonize  nitrifying  bacteria  &  that  towards  the  interior  colonize  denitrifying  bacteria.
 Nitrifying  bacteria  is  Aerobic,  which  converts  Waste  /  Debris  â€“>  Nitrites  â€“>  Nitrates
 Denitrifying  bacteria  is  Anaerobic,  which  converts  Nitrates  â€“>  Nitrogen  gas  (Inert)

 
 
                                                 
Tool  wrote  (View  Post):                
It  also  it  acts  as  a  mechanical  filter  as  well  because  as  water  passes  through  the  microscopic  holes  all  the  tiny  particles  get  trapped  in  the  ehif  substrate  as  well.                  

 
 Wrong.
 Microscopic  pores  provide  BIOLOGICAL  filtration  (as  explained  above)   &  do  not  serve  as  MECHANICAL  filtration.
 
 If  they  were  to  function  as  Mechanical  filters,  it  will  get  clogged  within  few  days,  besides  we  will  require  a  high-pressure  pump  to  filter  water  through  such  media  (similar  to  functioning  of  some  resin  filters  that  filter  at  microscopic  level).  Therefore,  one  is  supposed  to  use  this  media  in  the  second  /  third  stage.  -  REFER
 
 The  tiny  particles  will  get  trapped  in  the  later  stages  â€“  Fine  filter  wadding.
 
 HTH  Smile
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Kaushik
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PostPosted: Fri Aug 01, 2008 12:04 pm Post subject: Re: Help me with Eheim filtering media Reply with quote

 Dear  Nitshi
 I  will  suggest  you  to  buy  eheim  filter  products  and  not  cheap  clones.  What's  the  need  to  buy  desi  fittings  for  an  Arabian  horse.
 Regards
 Kaushik
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nitshi
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PostPosted: Fri Aug 01, 2008 7:47 pm Post subject: Re: Help me with Eheim filtering media Reply with quote

 you  are  right  kausik.
 Ill  think  over  it.  thanks
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