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http://indianaquariumhobbyist.com/community/ :: View topic - Filter media for Large DIY DRUM Filter
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Filter media for Large DIY DRUM Filter

 
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rohitrk
IAH New Member
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Joined: Nov 30, 2005
Posts: 10


Status: Offline
PostPosted: Wed Dec 07, 2005 4:28 pm Post subject: Filter media for Large DIY DRUM Filter Reply with quote

 I  have  learned  a  lot  from  this  forum  so  far.  Lot  of  credit  goes  to  IAH  for  the  aquarium  setup  I  have  built  so  far.  
 
 Here  is  what  a  I  have  
 *  4ft  x  3  ft  x  1.5  ft  tank  made  with  12mm  glass  with  support  braces  at  the  bottm  and  top
 *  Metal  L  section  DIY  stand  to  support  weight  upto  1  ton
 *  1  failed  experiment  to  build  a  filter  with  "Cello"  or  similar  kind  of  3x15  liters  canister
 *  Almost  success  full  large  (200Liter  capacity)  DIY  filter  that  I  am  building  now,  (could  not  get  smaller  one)
 
 Now  I  have  arraned  small  pebbles  and  1  rock  in  the  tank  filled  up  with  water  ..  let  it  stand  for  2  days..  add  3/4  guppies.  Now  wait  for  the  tank  cycle  to  happen.  It's  running  internal  boyu  power  filter(1600  ltrs  at  1  feet  height  outptut)  so  far..
 
   After  first  failed  experiment  of  DIY  canister  filter,  I  found  a  large  industrial  grade  blue  drum  with  a  metal  locking  ring(Rs  350).  Now  this  drum  sits  lower  on  the  ground  next  to  tank  and  siphones  water  to  the  bottom  of  the  tank.  Then  a  submersed  filter  lifts  water  back  to  the  tank.  It's  all  working  so  far.  (  2  days  of  testing  ,  no  leaks,  so  siphone  breaks  after  12  hours  of  power  outage)
 
 
 No  I  am  planning  to  add  layes  of  filteration  medias  in  between.  I  need  a  cheap  media  as  I  need  it  in  large  quantity
 
 Here  is  how  the  filter  drum  will    look  like
 
 TOP
 -------------------------------------------------
 Pump  -  Water  outlet
 Clean  water
 -------------------------------------------------
 Recron  layer
 ------------------------------------------------
 Pumice  stone  (1  inch  cubes)  
 ------------------------------------------------
 large  amout  of  green  garden  net  rolled  up
 ---------------------------------------------------
 Inlet
 ---------------------------------------------------
 BOTTOM
 
 I  plan  to  post  a  detailed  photo  article  once  I  am  done.
 So  far  I  have  spent  Rs  1000  on  building  the  filter.
 I  am  going  to  use  the  internal  filter  pump  to  pump  the  water.
 The  dotted  lines  suggest  a  plastic  mesh  seperator.  So  far  with  just  the  cartridge  filters  to  the  pump  it's  giving  me  800liters/hour  output.  I  will  go  down  as  I  add  more  restriction  as  we  introduce  more  resistance  by  filter  media.
 
 I  plan  to  clean  the  filter  by  draining  it  from  the  bottom  (reverse  flow)so  that  the  solid  waste  can  be  taken  out  without  emptying  it  completely.
 What  will  be  my  cleaning  cycle  of  the  nets,  the  pumice  stone?  recron?
 
 So  all  the  gurus  ....  Any  suggestions,  tips,  corrections...
 
 Thanks  in  advance  for  all  the  help
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gokulin
Regular Poster on IAH
Regular Poster on IAH



Joined: Jul 04, 2005
Posts: 1277
Location: Coimbatore

Status: Offline
PostPosted: Thu Dec 08, 2005 3:06 pm Post subject:  Reply with quote

 Hi  Rohit,
 
 Broken  brick  stones  could  be  a  good  &  cheap  media
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shishirkamat
Regular Poster on IAH
Regular Poster on IAH



Joined: Dec 17, 2003
Posts: 557
Location: Belgaum Karnataka

Status: Offline
PostPosted: Thu Dec 08, 2005 7:50 pm Post subject:  Reply with quote

 Hi  Rohit,
 Try  avoiding  Recron,This  will  increase  the  frequency  of  cleaning.You  could  use  Sand,Bricks  Nylon,Pumice  stones,stone  chips,  etc.Sand  will  also  help  to  keep  water  crystal  clean
 with  regards
 Shishir  Kamat
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retro_gk
Committed Member of IAH
Committed Member of IAH



Joined: Jul 09, 2003
Posts: 3496
Location: Trivandrum, Kerala

Status: Offline
PostPosted: Thu Dec 08, 2005 8:18 pm Post subject:  Reply with quote

 Just  a  couple  of  observations...
 
 1.  Replace  the  recron  with  something  like  ceramic  tubes  or  a  coarse,  synthetic  sponge.  
 
 2.  Sand  will  clog  up  fairly  easily  and  is  something  of  a  hassle...
 
 3.  Provided  you  do  not  overload  the  filter,  you  will  not  have  to  clean  it  more  than  once  very  6  months  or  so.  
 
 Great  job.
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rohitrk
IAH New Member
IAH New Member



Joined: Nov 30, 2005
Posts: 10


Status: Offline
PostPosted: Fri Dec 09, 2005 10:26 am Post subject: Will change the fine layer to corse sponge from recron Reply with quote

 Thanks  guys  for  all  the  help.  
 
 From  the  response  I  have  decided  to  give  up  recron,  instead  use  corse  sponge.  for  the  crystal  clear  water.  Any  pointers  or  tips  on  where  to  buy  this  sponge(local  matress  guy  won't  have  this?),  I  will  need  a  2  feet  diameter  4inch  thick  sponge  I  think.
 I  will  check  with  local  packaging  material  delears  here  in  Pune.  to  see  if  they  have  something  like  that.  
 
 BTW  I  got  pumice  stone  2  Rs  per  slab  (2inch  x  3  inch  x  1  inch)  size.  I  will  need  20  dozen  or  so  to  make  atlest  4  inch  slab  in  my  drum  :-(
 
 My  altimate  goal  is  to  keep  1  arrowana  and  just  few  fishes  to  give  him  company.  I  plan  to  do  it  only  after  6  months  when  my  tank  will  be  settled  and  I  will  gain  more  confidance.
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retro_gk
Committed Member of IAH
Committed Member of IAH



Joined: Jul 09, 2003
Posts: 3496
Location: Trivandrum, Kerala

Status: Offline
PostPosted: Fri Dec 09, 2005 1:41 pm Post subject:  Reply with quote

 rohit,
                   You  should  be  able  to  get  the  sponge  from  an  upholsterer.
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aquascapes
Committed Member of IAH
Committed Member of IAH



Joined: Dec 19, 2005
Posts: 2753
Location: Surat, Gujarat

Status: Offline
PostPosted: Tue Jan 17, 2006 9:05 pm Post subject:  Reply with quote

 rohit  what  happened  of  your  filter?
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rohitrk
IAH New Member
IAH New Member



Joined: Nov 30, 2005
Posts: 10


Status: Offline
PostPosted: Wed Jan 18, 2006 11:59 am Post subject: Update on the DIY filter Reply with quote

 Hi,
 
   Here  is  a  small  update  on  my  side.
 
 First  I  was  out  of  action  for  almost  2  weeks.  The  4x3x1.5  feet  tank  that  I  built  on  my  own  cracked  after  1  month    Thumb Down  .  Detailed  analysis  can  point  to  2  main  reasons
 1.  The  metal  supprort  frame  on  the  top  was  unadaquate  to  support  the  tank  in  the  middle  position.
 2.  All  the  sides  glasses  of  the  tanks  were  standing  on  the  base  surface  that  did  not  let  the  glass  to  get  the  flex  that  a  silicon  can  provide.
 
 So  this  time  I  got  wiser  and  got  the  tank  built  from  a  LFS.    Cheer Up  
 
 Now  about  the  filter.  
 
 
 This  project  is  really  rocking    Rock On  
 It's  been  now  almost  2  months  since  the  filter  is  working  the  water  is  always  crystan  clear.  I  have  done  20%  water  change  only  once  in  last  2  months.  All  the  fish  are  happy  swimming  around  and  growing.  so  sign  of  stress.  (I  need  to  check  with  ph  and  for  ammonia  but  did  not  get  the  kit  yet)
 
 Only  drawback  of  my  project  is  the  size  of  the  drum.  But  since  I  have  the  setup  outdoor  it's  not  a  problem  for  me.  Taotal  cost  to  build  this  DIY  filter  was  as  follows
 1.  Blue  Industrial  Drum  with  metral  locking  clip        350
 2.  Piping  ,  clips,  connectors                                                                  500
 3.  20  dozen  pumice  stone                                                                        500
 4.  sponge  sheet                                                                                                    200
 5.  Boyu  2000Ltrs/hr  pump                                                                    1000
 ----------------------------------------------------------------
 Total                                                                                                                                2550
 
 The  filter  circulates  the  water  at  the  rate  of  800  Ltrs/h  of  my  400  Litres  tank.  I  have  started  not  shutting  off  the  filter  at  night  so  that  fishes  will  get  some  goodnight  sleep  :-)
 
 
 Thanks
 Rohit
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