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http://indianaquariumhobbyist.com/community/ :: View topic - Ehiem EHFITROF
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Ehiem EHFITROF
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Nanu
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PostPosted: Wed Apr 11, 2007 12:27 pm Post subject: Ehiem EHFITROF Reply with quote

 Hello  All..
 I  have  been  thinking  of  getting  the  Ehiem   EHFI  TORF  Filter  media  for  my  Canister  filter  as  I  would  like  to  bring  down  the  pH  of  my  tank  and  also  reduce  the  Hardness....(Currently  the  pH  is  at  7.5)
 This  product  contains  peat  which  is  there  to  do  the  same...
 I  would  like  to  know  if  anyone  has  used  this  product  and  with  what  results....?
 I  am  looking  to  bring  the  pH  down  to  6.5-7ish...
 Will  this  also  color  the  water  like  other  normal  peat  does...?
 Also,  if  anyone  who  keeps  this  product  please  PM  me  the  price  of  it...
 Please  advise....
 Thanks....
   Smile  
 (Note:  this  is  for  my  semi-Planted  which  is  home  to  6  discus...)
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rgg
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PostPosted: Wed Apr 11, 2007 1:05 pm Post subject: Re: Ehiem EHFITROF Reply with quote

 Nanu,
   But  why  do  you  wanna  use  peat??????
 For  what  setup  are  you  tragetting  this.  And  why  do  you  wanna  bring  down  the  PH????
 
 Raghu
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cokeamod
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PostPosted: Wed Apr 11, 2007 1:52 pm Post subject: Re: Ehiem EHFITROF Reply with quote

 Yes,  details  would  be  helpful  nanu.
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Nanu
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PostPosted: Wed Apr 11, 2007 2:34 pm Post subject: Re: Ehiem EHFITROF Reply with quote

 Hey  Guys  thanks  for  enquiry....
 As  some  of  you  know  I  have  recently  moved  to  a  new  place  and  rest  my  tank...
 Its  3  weeks  running  now.
 The  current  pH  of  the  tank  as  I  said  is  at  7.5-8  and  I  want  to  bring  it  down  to  6.5-7.0  for  my  discus  to  be  a  "bit  more  comfortable..."  as  they  do  show  stress  marks  ocassionally.....
 Though  I  have  not  tested  the  hardness  of  the  water  at  my  new  place,  but  I  am  quite  sure  the  water  I  get  now  is  harder  than  at  my  previous  place...
 I  ahve  gone  thru  posts  on  SimplyDiscus  where  one  uses  Peat  to  bring  the  pH  down  a  bit  and  to  reduce  the  hardness....
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rgg
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PostPosted: Wed Apr 11, 2007 2:49 pm Post subject: Re: Ehiem EHFITROF Reply with quote

 HI  Nanu,
   Why  dont  you  try  to  use  Aquagaurad  water  which  reduces  the  PH  by  removing  the  hardness  of  the  water.
 
 Secondly  you  can  also  accimilise  your  fish  to  the  water  hardness  esp  the  Juvi's.
 
 Using  peat  in  limited  quantities  in  a  planted  tank  is  cool,  But  for  discuss  i  am  not  sure  how  good  or  better  is  it  to  use  peat.
 
 Raghu
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Nanu
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PostPosted: Wed Apr 11, 2007 3:08 pm Post subject: Re: Ehiem EHFITROF Reply with quote

 I  was  am  a  member  at  SimplyDiscus.com  too  and  a  few  people  are  using  Peat  in  their  Filters  to  reduce  Ph  by  a  Bit....
 
 I  did  try  my  last  WC  with  AquaGuard  water...though  I  did  not  make  anything  more  than  25%  WC  as  I  wasn't  too  sure  of  Aquaguard....
 any  Disucs  keepers  using  Aquaguard....?  Can  I  increase  its  use...I  dont  mind  this  solution  at  all...
 
 As  per  small  amount  of  peat  in  a  planted  tank...
 I  already  have  about  3  peat  plates  mixed  with  the  substrate,  but  this  doesnt  really  help  much  in  bringing  down  the  pH  compared  to  Filtering  thru  it....
 
 ...as  per  my  knowledge...please  confirm  from  experts...
 Peat  releases  Humic  Acids  thsu  making  the  water  Acidic,  and  reducing  the  ph...
 Peat  reduces  the  hardness  of  the  water  by  binding  with  the  Hard  substances  in  water...
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Rana
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PostPosted: Wed Apr 11, 2007 5:54 pm Post subject: Re: Ehiem EHFITROF Reply with quote

 Raghu/Nanu
 
 Aquaguard  will  not  reduce  the  hardness  in  water.  If  the  water  is  too  hard,  peat  will  not  be  helpful  either.  Peat  leaches  out  some  organic  acid  and  that  neutralises  the  alkalinity  and  reduces  pH.  Permanent  hardness  can  not  be  reduced  with  peat.  Peat  also  has  limited  service  life.
 
 The  best  option  is  using  RO  water  and  mix  with  your  normal  tap  water  to  attain  desired  hardness  and  pH.  But  RO  unit  is  costly  affair.  
 
 Second  option  is  buy  a  big  tank  and  collect  rain  water  (after  a  long  spell  to  avoid  contaminants)  over  a  white  transparent  polythene  sheet  and  store  in  that  tank  for  future  use.  Mix  rain  water  with  your  tap  water  to  get  the  desired  properties.
 
 Rana
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Nanu
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PostPosted: Wed Apr 11, 2007 6:05 pm Post subject: Re: Ehiem EHFITROF Reply with quote

 For  rain  water  I  will  have  to  wait  another  three  months  or  reallocate  to  Cherapunji  to  do  this  5  times  a  week  !!!
 (Though  I  did  collect  some  and  try  it  last  year  when  the  rains  came....)
 
 RO  units  are  a  bit  too  expensive  for  me  right  now....
 
 I  dont  like  any  Ph-Down  etc  agents...
 
 Any  other  help  to  reduce  hardness....?
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psimhan
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PostPosted: Wed Apr 11, 2007 6:24 pm Post subject: Re: Ehiem EHFITROF Reply with quote

 It's  pretty  much  only  RO   which  does  that  job,  mate.  You  can  possibly  get  some  kind  of  ion  exchange  system,  but  I  haven't  heard  of  a  domestic  one.
 
 Good  thing,  I  saw  your  thread.  I  had  a  search  for  RO  water  systems  and  found  some  pretty  decently  priced  ones  here.  looks  like  prices  have  dropped  drastically.
 http://www.c9waterpurifier.com/domestic-water-purifier.htm
 
 Another  option  would  be  to  use  the  standard  drinking  water  supplied  in  cans  everywhere.  Its  RO  water  too,  supposedly.
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Nanu
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PostPosted: Wed Apr 11, 2007 6:35 pm Post subject: Re: Ehiem EHFITROF Reply with quote

 Oh  Whow,  thats  a  nice  link...
 thanks  a  lot...
 I  Couldnt  find  one  on  the  net  till  now  which  was  for  India...
 I  will  be  looking  into  this  next  ....
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Rana
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PostPosted: Thu Apr 12, 2007 12:30 pm Post subject: Re: Ehiem EHFITROF Reply with quote

 Nanu
 
 Please  consider  and  know  from  the  seller  the  following  technical  factors  before  purchasing  a  RO  unit.
 
 1.  %  Recovery,  that  means  how  much  RO  water  will  be  generated  for  a  given  volume  of  water.  Typical  domestic  RO  unit  operates  at  10  to  15%  recovery  rate.  So  you  need  to  pass  100  liters  of  water  to  get  10  to  15  liters  of  RO  water.
 
 2.  Salt  Rejection:  That  signifies,  how  much  Salt  will  be  rejected  thru  this  process.  For  Salt  rejection  say  90%,  if  you  put  your  feedwater  at  2000  ppm  TDS,  your  RO  water  will  be  at  200  ppm  TDS.  In  that  case  you  need  not  to  mix  this  water  wit  tap  water  at  all;  rather  use  straight  to  Aquarium.
 
 3.  Membrane  type  and  its  service  life  expectancy.  Ca  you  replace  the  membrane  or  reject  the  total  unit  after  its  service  life.
 
 Hope  this  help.
 
 Regards
 Rana
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Nanu
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PostPosted: Thu Apr 12, 2007 12:37 pm Post subject: Re: Ehiem EHFITROF Reply with quote

 Yes  I  was  going  thru  that  web  site  and  none  of  the  above  information  was  available  on  the  web  site  atleast...
 Rana:  Are  you  using  one  of  the  RO  units...?
 If  you  have  more  info  on  any  of  these  please  let  me  know...else  I  guess  we  will  have  to  call  them  and  ask  the  information....
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PostPosted: Thu Apr 12, 2007 12:42 pm Post subject: Re: Ehiem EHFITROF Reply with quote

 Nanu
 
 Sorry,  I  am  not  using  any  RO  for  my  personal  use.  But  I  work  for  a  industrial  water  treatment  company  and  my  job  involves  various   water  treatment  related  applications.
 
 You  will  get  these  information  in  the  product  data  sheet  of  any  reputed  manufactuerer,  if  not  available  insist  on  these.  
 
 Rana
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Nanu
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PostPosted: Thu Apr 12, 2007 12:57 pm Post subject: Re: Ehiem EHFITROF Reply with quote

 Hey  Rana  Do  you  any  other  company  that  has  reasonable  products  that  we  could  use  for  this  purpose....?
 A  website  link  would  be  helpful...
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PostPosted: Thu Apr 12, 2007 2:24 pm Post subject: Re: Ehiem EHFITROF Reply with quote

 Nanu:  I  keep  my  discus  including  wild  caughts  in  PH  7.5+  water.  I'm  not  sure  why  you  want  to  play  around  with  water  chemistry  unless  ofcourse  you  are  trying  to  breed  them.
 Stress  might  be  caused  if  you  just  plonk  the  fish  into  the  water  without  acclimatising  them.  Keeping  Ph  stable  and  low  TDS  is  a  difficult  and  expensive  job.  Concentrate  instead  on  water  quality  by  doing  regular  water  changes  with  dechlorinated  water.
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