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http://indianaquariumhobbyist.com/community/ :: View topic - Filter for a 2*1*1 (ft) tank
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Filter for a 2*1*1 (ft) tank

 
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bobbyfisher
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PostPosted: Tue Sep 08, 2009 5:35 pm Post subject: Filter for a 2*1*1 (ft) tank Reply with quote

 Hi,
 I  have  a  15  gallon  planted  tank  and  I  was  given  a  filter  by  my  LFS  guy.  It  is  one  of  those  types  that  you  hang  inside  on  the  glass  tank  walls  (pic  is  slightly  dated...have  a  few  more  plants  now)
 
 He  told  me  to  run  the  filter  for  just  an  hour  or  so  a  day.  For  aeration  he  gave  me  an  air  pump  (was  that  needed?  i  feel  conned  Sad     )  
 
 Anyway,  the  filter's  specs  _  Brand  RS  Electrical  RS  702
 1500  L/Hr
 HMax  0.8  m  (whats  Hmax  btw  )  
 My  queries  are  :
   
 1.  Is  it  ok  to  run  this  filter  for  just  an  hour?
 2.  If  not,  how  do  i  reduce  the  force?  The  current  from  the  filter  is  too  high
 3.  I  read  about  spray  bars  in  this  forum  -  while  i  am  willing  to  try  it,  wouldnt  it  still  be  very  forceful  (since  it  is  1500  l/hr?)  
 4.  Any  other  more  elegant  method  Smile?  (  somehting  that  doesnt  put  a  hole  in  my  pocket..i  have  heard  that  the  HOB  filters  are  expensive)
 
 Fish  i  have  
 1  gold  fish,  2  tangerine  sword  tails,  1  platy,  2  green  sword  tail  like  fish  (name  unknown)  ,  2  guppies
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Yogesh
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PostPosted: Tue Sep 08, 2009 7:02 pm Post subject: Re: Filter for a 2*1*1 (ft) tank Reply with quote

 Hi  There,
 
 Must  say  you  got  yourself  very  powerful  filter  for  your  15G  tank.  It  is  called  Internal  Power  filter  which  will  cause  lot  of  turbulence  in  your  small  tank,  thereby  will  stress  your  fish.
 
 HOB  filters  are  not  that  expensive  as  you  are  thinking.  100LPH  HOB  will  work  fine  for  your  this  tank  which  are  easily  available  with  common  LFS.  Any  filter  should  be  running  24/7  for  bacterial  colonization.
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aroopnath
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PostPosted: Tue Sep 08, 2009 7:20 pm Post subject: Re: Filter for a 2*1*1 (ft) tank Reply with quote

 Hi  Bobby,
 
                     I  had  faced  a  similar  problem  with  my  Internal  filter.  Initially  i  had  planned  to  go  for  a  spray  bar  and  even  thought  of  making  myself  a  DIY  spray  bar.  Instead  the  best  option  you  could  go  for  is  to  align  the  output  of  your  filter  against  the  wall  of  the  tank.  That  way  the  pressure  would  be  hitting  the  tank  rather  than  create  a  turbulence  in  the  water.  But  do  be  a  bit  careful  when  you  align  it  against  the  wall.  If  the  distance  is  not  right  theres  chances  of  spillage  because  of  the  force  of  the  water.
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bobbyfisher
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PostPosted: Tue Sep 08, 2009 7:36 pm Post subject: Re: Filter for a 2*1*1 (ft) tank Reply with quote

 Thank  you  Yogesh  and  Aroopnath.  
 
 Yogesh,  Will  check  out  the  HOB  filter.  But  i  really  think  i  will  stick  to  spray  bar  for  now.  I  am  barely  a  few  weeks  into  this  hobby  and  am  looking  to  cut  corners  initially  at  least.  
 
 Aroopnath,  the  water  force  is  just  too  much  to  get  rid  of  the  problem  by  changing  direction  towards  the  glass.  Have  tried  this  out  before.  
 
 Thanks  ppl!  
 This  is  a  wonderful  forum  for  novices  like  me.  all  dumb  questions  seem  to  be  tolerated  without  any  snottiness!  wonderful  ppl  around!!
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Arnab
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PostPosted: Tue Sep 08, 2009 7:41 pm Post subject: Re: Filter for a 2*1*1 (ft) tank Reply with quote

 Bobbyfisher
 
 Welcome.
 
 Please  update  your  profile  with  your  real  name,  location  etc.  It  is  more  pleasing  to  work  with  a  person   :-)  Stating  your  location  will  allow  members  to  help  you  better.
 
 Fundamental  rule  of  aquarium  maintenance:  Filter  should  run  24X7.  Only  exception  to  this  rule  may  be  when  you  feed  the  fish  or  when  you  clean  the  filter  :-)
 
 Assuming  that  you  are  not  planning  to  go  fully  planted  and  pressurized  CO2  etc  here  is  what  I  feel
 
 The  filter  you  have  is  mostly  fine.  It  is  basically  a  power  head  attached  to  an  internal  filter.  You  can  attach  the  air  pump  to  the  power  head  if  you  feel  like  it  (There  should  be  an  attachment  for  that).  
 As  you  pointed  out,  the  flow  from  this  filter  will  be  too  much  for  your  aquarium.  This  will  cause  discomfort  for  the  fish  and  also  might  uproot  the  plants.  There  are  two  options:
 1.  Direct  the  flow  towards  the  glass.  This  will  reduce  the  strong  direct  current  directed  at  the  fish.
 2.  As  you  already  mentioned,  attach  a  spray  bar  to  the  outlet  of  the  power  head.  You  might  get  a  spray  bar  for  your  filter  or  you  might  make  one  your  self.  This  will  reduce  the  flow  considerably.  You  can  also  lift  the  spray  bar  above  the  water  level  and  let  the  water  fall  on  the  surface  as  a  shower.  That  will  oxygenate  the  water  as  well.  
 
 Personally  I  like  HOBs  as  they  do  not  clutter  the  tank  interior  and  the  water  flow  in  the  tank  is  gentle  but  constant.  They  are  costlier  than  the  internals  but  not  astronomical.  I  have  been  using  two  RS  HOBs  for  the  last  two  years  and  have  no  complaints.
 
 I  noticed  something  from  your  picture.  The  water  level  is  way  down.  Your  tank  is  effectively  2ft  X  1ft  X  8/9  inches.  Top  up  your  tank  to  a  a  few  mm  from  the  top.  Advantages  are:
 
 1.  Your  fish  gets  that  much  more  water  (I  am  guessing  that  approx  20lts  more).
 2.  The  water  line  will  be  covered  by  the  canopy  giving  a  pleasing  view  of  the  tank
 3.  White  lines  formed  on  the  inner  walls  due  to  evaporation  will  remain  hidden  from  view  and  you  need  not  worry  about  cleaning  it.
 
 Your  livestock  quantity  is  fine.  One  little  nit  pick.  You  might  want  to  replace  the  gold  with  platies,  sword  tails  etc.  Golds  are  messy  as  they  eat  and  excrete  a  lot.  
 
 Think  of  adding  more  live  plants.  
 
 Do  20%  water  change  weekly.
 
 Read  the  forum  posts,  old  and  new.  There  is  a  wealth  of  information  there.  You  will  get  all  your  questions  answered  and  you  will  also  get  some  answers,  the  questions  of  which  you  did  not  know  existed  :-)
 
 Happy  fish  keeping.
 
 Regards.
 Arnab.
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DJ_Rocky
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PostPosted: Tue Sep 08, 2009 8:14 pm Post subject: Re: Filter for a 2*1*1 (ft) tank Reply with quote

 The  actual  output  of  RS-702  filter  is  around  400-500  L/H  and  it's  not  suitable  for  50  ltrs  tank.
 The  best  bet  would  be  a  Hang  On  Back  filter.  Look  for  around  200-300  L/H  HOB  filter.
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bobbyfisher
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PostPosted: Tue Sep 08, 2009 8:37 pm Post subject: Re: Filter for a 2*1*1 (ft) tank Reply with quote

 Thanks  Arnab  for  the  detailed  reply.  I  am  from  Mumbai.  Will  check  why  it  doesnt  show  in  my  profile.  
 
 About  fully  planted  tank  -  I  do  intend  to  go  fully  planted  once  I  get  a  hang  of  things.  Have  a  DIY  yeast  CO2  in  mind.  But  thats  for  later.  
 
 In  the  meantime,  will  check  out  HOB  and  turning  the  outlet  to  the  glass  wall  as  Aroopnath  had  also  mentioned.
 
 As  for  water  level,  I  initially  had  a  18W  tube  (looked  like  a  Chinese  type)  and  it  had  holders  on  both  the  ends.  Then  one  fine  day  I  decided  that  the  light  isnt  enough  and  got  myself  a  36  W  thingie.  Problem  :  Holder  only  on  one  side  and  with  the  added  weight  of  the  new  tube,  it  is  well  precariously  placed  and  sloping  downwards  towards  the  water  surface.  That  is  the  motivation  behind  keeping  the  water  level  low.  Any  suggestions  for  the  tube  conondrum?  
 
 Have  added  a  few  more  plants.  Waiting  for  them  to  grow  crazy  (added  a  bacopa  and  another  variety  that  hasnt  yet  been  named.  My  query  on  that  is  at  http://indianaquariumhobbyist.com/community/modules.php?name=Forums&file=viewtopic&p=165975#165975  
 
 Thanks
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Mortis
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PostPosted: Tue Sep 08, 2009 10:22 pm Post subject: Re: Filter for a 2*1*1 (ft) tank Reply with quote

 Maybe  you  could  use  tape  to  support  it  and  stick  it  to  the  hood,  aligning  it  so  that  it  is  level  with  the  socket.  If  your  filter  did  not  come  with  a  spray  bar  you  could  make  something  easily  using  a  pipe.  Just  use  a  length  that  goes  almost  all  the  way  across  your  tank  and  make  some  2-3  mm  holes  every  1-2  inches.  You  can  leave  the  othe  rend  open  and  facing  the  glass  as  most  of  the  flow  will  be  reduced  and  will  not  cause  spillage.  Dont  know  how  you  will  keep  it  supported  though.
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bobbyfisher
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PostPosted: Thu Sep 17, 2009 11:25 am Post subject: Re: Filter for a 2*1*1 (ft) tank Reply with quote

 Paid  heed  to  the  advice  on  the  HOB  filter  and  got  myself  one  yesterday  Smile  
 300L  per  hour  and  Fish  look  much  more  comfortable.  
 
 But  now  the  problem  of  how  to  fix  the  hood  remains  because  the  HOB  comes  in  the  way.  It  is  the  normal  metal  hood(  sloping  down  from  the  center  type)  that  i  have.
 
 I  do  not  want  to  cut  it.  I  am  thinking  some  vertical  glass  pieces  on  all  4  corners  like  stilts  to  lift  up  the  hood.  Adhesive  -  aquarium  sealant.  
 Will  it  work?  Any  other  ideas  ?
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bobbyfisher
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PostPosted: Sat Sep 19, 2009 8:48 am Post subject: Re: Filter for a 2*1*1 (ft) tank Reply with quote

 No  response  :(
 
 Another  query  -  the  filter  i  have  got  is  Dolphin.  and  the  biological  filter  looks  like  it  could  get  clogged  soon-  its  like  a  pad.  Do  you  think  replacing  it  with  sponge  is  a  better  idea.  Behind  the  pad  there  are  small  cylindrical  pellet  like  things.  Is  it  carbon  for  chemical  filtration?  how  often  would  it  be  needed  to  be  replaced?
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DJ_Rocky
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PostPosted: Sat Sep 19, 2009 9:01 am Post subject: Re: Filter for a 2*1*1 (ft) tank Reply with quote

                                                   
bobbyfisher  wrote  (View  Post):                
the  filter  i  have  got  is  Dolphin.  and  the  biological  filter  looks  like  it  could  get  clogged  soon-  its  like  a  pad.  Do  you  think  replacing  it  with  sponge  is  a  better  idea.  Behind  the  pad  there  are  small  cylindrical  pellet  like  things.  Is  it  carbon  for  chemical  filtration?  how  often  would  it  be  needed  to  be  replaced?                

 Yes  you  can  replace  the  cartridge  with  sponge  and  add  carbon  as  well  into  the  basket  /  empty  space  if  required.
 
 It's  always  good  to  replace  the  carbon  within  50-60  days.  But  why  do  you  want  to  use  carbon  there?
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bobbyfisher
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PostPosted: Sat Sep 19, 2009 10:18 am Post subject: Re: Filter for a 2*1*1 (ft) tank Reply with quote

 ok.  confession  time.  
 
 I  picked  up  this  filter  just  before  a  party  i  was  already  late  for.  Dint  really  watch  out  for  what  i  was  buying  and  dint  see  the  pellets  behind  the  sponge  pad.  came  back  home  stone  drunk,  but  there  was  enough  enthu  to  take  out  the  filter  and  got  it  running,  thinking  will  read  the  cover  next  day.  the  cover  was  duly  thrown  out  by  the  maid  and  now  i  am  stuck  with  a  filter  without  knowing  what  the  pellets  are.  i  am  assuming  it  is  carbon.  (tried  taking  pics...doesnt  come  clearly  since  it  is  packed  behind  a  mesh)  
 
 If  it  is  carbon,  isnt  it  good  for  tank  filtration?  if  it  isnt  carbon,  any  dolphin  users  know  what  it  is?  
 
 thanks  guys.
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nash81
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PostPosted: Sat Sep 19, 2009 10:25 am Post subject: Re: Filter for a 2*1*1 (ft) tank Reply with quote

 Hi  
 
 If  the  filter  is  Dophin  HOB,  then  it  has  carbon  pellets.
 
 Warm  Regards
 Nirav  Shah
 Indiapetstore.com
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