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http://indianaquariumhobbyist.com/community/ :: View topic - powerhead creating tsunami
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powerhead creating tsunami
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Vijs
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PostPosted: Wed Dec 28, 2011 1:16 pm Post subject: powerhead creating tsunami Reply with quote

 Hi,
 
 I  am  using  a  topfilter  in  my  marine  setup  and  the  powerhead  is  creating  a  tsunami  in  my  small  tank.
 
 I  have  a  few  questions:
 
 1.  is  there  any  way  i  can  reduce  the  speed  of  the  water  coming  out  of  the  powerhead?
 2.  there  is  a  plastic  tube  connected  to  the  powerhead  which  is  closed  in  one  end,if  i  remove  this  tube  from  the  powerhad  then  the  water  flow  is  somewhat  slow
 the  water  is  flowing  like  a  fountain  and  this  flow  is  manageable  and  looks  fine
 
 but  if  i  connect  the  tube  then  the  water  force  in  the  powerhead  is  like  a  storm.  (the  powerhead  came  with  the  tube  connected)
 
 can  i  remove  the  tube  so  that  the  flow  will  be  normal  or  should  the  tube  be  connected  for  any  purpose.(will  removal  of  the  tube  cause  any  malfuntion  in  the  filter)
 
 kindly  advise  please
 
 vijay
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NitinB
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PostPosted: Wed Dec 28, 2011 1:46 pm Post subject: Re: powerhead creating tsunami Reply with quote

 So  sad,  this  is  clear  indication  of  insufficient  knowledge   Crying or Very sad  
 think  of  those  creatures  man,  u  gonna  keep  two  clowns  in  just  a  12G  tank   Surprised  
 God  knows  if  u'll  really  like  to  be  kept  captive  in  your  bathroom  forever....
 Do  some  reading  and  planning...
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PostPosted: Wed Dec 28, 2011 2:36 pm Post subject: Re: powerhead creating tsunami Reply with quote

 Hi,
 
 I  am  sorry  to  say  that  i  dont  appreciate  that  reply  and  its  very  rude  on  your  part.
 
 I  never  boasted  that  I  am  having  great  knowledge.
 
 I  know  that  I  am  a  novice  and  I  beleive  that  I  have  the  rights  to  ask  questions  eventhough  it  may  be  stupid.
 
 I  have  asked  simpler  questions  and  the  experts  here  have  been  kind  enough  to  give  me  an  answer
 
 if  you  cannot  help,just  keep  your  mouth  shut  and  push  off.
 
 dont  be  rude  to  others.
 
 Vijay
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PostPosted: Wed Dec 28, 2011 2:38 pm Post subject: Re: powerhead creating tsunami Reply with quote

 experts  I  have  attached  a  picture  of  the  powerhead  (similar  to  mine)
 
 the  pastic  tube  in  this  picture  is  similar  to  the  one  that  is  in  my  powerhead.
 
 Pls  advise!
 
 vijay
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PostPosted: Wed Dec 28, 2011 2:42 pm Post subject: Re: powerhead creating tsunami Reply with quote

 sorry  here  is  the  pic
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radek
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PostPosted: Wed Dec 28, 2011 3:06 pm Post subject: Re: powerhead creating tsunami Reply with quote

 Vijay,
 I  aint  no  expert  but  I  guess  the  tsunami  you  are  referrring  to  when  the  tube  is  connected  is  the  fact  that  air  is  getting  pulled  into  thru  the  tube  and  pushed  out  causing  lots  of  air  bubbles.  The  purpose  of  the  tube  is  to  allow  air  along  with  water  to  be  pushed  out.
 If  you  remove  the  tube,  the  air  bubbles  will  vanish,  giving  you  an  impression  that  the  water  flow  is  slower/smooth  (which  might  not  be  the  case  in  reality.  A  crude  way  of  checking  is  use  your  hand  in  front  of  the  water  flow  (to  check  the  water  flow  with  and  without  the  tube)
 
 I  am  not  sure  at  this  point  if  there  is  a  way  of  controlling  the  flow  (I  think  if  you  google  you  should  find  a  lot  of  power  heads  with  flow  control  that  allow  you  to  control  the  flow  of  the  water)
 
 Or  try  a  DIY  type  flow  controller  for  your  current  powerhead.  I  guess  we  all  learn  as  we  go  along.  I  am  sure  you  will  come  up  with  something  interesting  to  control  the  flow.  (see  if  you  can  get  a  plastic  one  way  valve  that  can  be  attached  to  the  out  flow  pipe  that  will  allow  you  to  control  the  flow?)
 
 Again,  my  two  cents,  but  I  aint  no  expert.
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PostPosted: Wed Dec 28, 2011 3:23 pm Post subject: Re: powerhead creating tsunami Reply with quote

 Thanks  a  lot  for  your  suggestions,i  will  try  something  and  post  here.thanks
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Rohitskapoor
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PostPosted: Wed Dec 28, 2011 3:31 pm Post subject: Re: powerhead creating tsunami Reply with quote

 I  had  similar  issue,  instead  of  removing  the  tube(may  need  in  future)  i  closed  the  other  side  with  a  rubber  band  to  stop  the  air  flow.  As  radek  mention  i  did  put  my  hand  in  to  check  if  there  is  still  a  water  flow  happening.
 
 Hope  this  halps.
 
 Regards,
 Rohit  Suraj  Kapoor
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elimoses3
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PostPosted: Wed Dec 28, 2011 4:22 pm Post subject: Re: powerhead creating tsunami Reply with quote

 As  already  mentioned  the  flow  remains  the  same  with  or  without  the  air  tube(venturi).
 
 I  faced  the  same  problem  with  my  first  tank  1.5  ft  *1*1  with  an  internal  powerhead  filter  .  
 
 Your  filter  may  or  may  not  have  a  flow  control  mechanism.
 
 It  will  greatly  stress  your  fish  and  harm  them.
 
 My  solution  to  the  problem  was  to  go  for  a  HOB.
 
 Alternatively  you  can  go  for  an  internal  filter  with  a  low  turnover  rate  like  say  200  lts/hr.
 
 Please  check  the  turnover  rate  of  your  present  filter  and  let  me  know.
 
 Another  option  is  to  add  a  spray  bar  i.e.  the  outlet  water  is  made  to  spray  from  the  top.
 
 Please  do  not  continue  with  the  same  setup  as  you  will  greatly  stress  and  subsequently  kill  the  fish.
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PostPosted: Wed Dec 28, 2011 4:28 pm Post subject: Re: powerhead creating tsunami Reply with quote

 Thanks  for  the  advice,
 
 I  will  look  at  buying  another  external  filter  then.
 
 The  flow  rate  in  this  current  powerhead  is  QMAX-600LTR/H.
 
 the  spray  bar  option  is  a  good  one  too.
 
 Thanks,
 
 Vijay
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Vijs
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PostPosted: Wed Dec 28, 2011 4:32 pm Post subject: Re: powerhead creating tsunami Reply with quote

 also  any  sugestion  for  a  good  HOB  under  1500  rupees?
 
 thanks
 
 vijay
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Nick993
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PostPosted: Wed Dec 28, 2011 4:50 pm Post subject: Re: powerhead creating tsunami Reply with quote

 Hey  buddy
   what  is  the  length  of  your  tank?  i  forgot.  for  your  12  gallon  tank,  i  think  something  like  120Gph   or  around  400LPH  is  fine.
 U  got  a  600  lph,  we  dunno  how  it  looks,  so  its  better  u  take  a  video  of  the  powerhead  in  action  in  the  marine  tank.
 Plus  remove  the  airline  tube  and  use,  they  give  so  that  it  will  helpful  for  airation  too.If  u  put  it  in  a  marine  tank,  its  gonna  work  like  a  skimmer,  and  ofcourse  it  would  like  a  frothy  tsunami.
 U  can  try  moving  the  direction  of  the  current  to  a  wall  of  your  tank,  so  that  some  of  the  Current  is  being  absorbed.
 
 
 And  i  dunno  why,  i  tried  HOB's  too,  but  the  current  somewhat  was  not  sufficient.(atleast  by  the  looks  of  it)  I  would  recommend  u  go  for  a  sunsun  powerhead,  they  come  in  variety  of  sizes.
 anyway  if  i  still  want  to  go  for  a  HOB,  there  are  various  Chinese  xx  Brands  from  which  u  can  buy  a  HOB  of  a  slower  output  rate  and  at  half  of  highest  XXX  Rupees.
 
 See  my  setup,  u  might  get  an  idea  -
 
 http://i1097.photobucket.com/albums/g343/bhojnikhil/DSC_3453.jpg
 http://i1097.photobucket.com/albums/g343/bhojnikhil/DSC_3445.jpg
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PostPosted: Wed Dec 28, 2011 4:56 pm Post subject: Re: powerhead creating tsunami Reply with quote

 Vijay,
 I  understand  from  your  above  post  that  you  may  be  running  on  a  budget  (and  that  is  a  good  thing),  but  I  would  strongly  advise  against  compromising  on  the  tank  equipment  that  you  buy.  Please  read  my  thread
   
 http://indianaquariumhobbyist.com/community/modules.php?name=Forums&file=viewtopic&p=209644&highlight=#209644
 
 I  relied  too  much  on  a  cheap  air  pump  and  heater  and  my  fish  and  tank  suffered!  Since  then  I  have  upgraded  to  2  external  Eheim  filters  a  300W  Jager  heater,  and  I  still  get  a  feeling  that  it  is  not  enough!  I  am  also  seriously  thinking  of  back-up  power  using  either  inverters  or  solar  panels  (which  might  turn  out  to  be  too  expensive)  and  also  adding  another  filter  down  the  line.
 
 My  point  is,  I  understand  you  are  on  a  budget  and  respect  that,  but  then  try  and  built  your  tank  over  a  time,  but  please  dont  whimp  up  on  the  quality  of  your  equipment.
 
 Again,  no  expert,  but  ultimately  this  is  for  the  good  health  and  safety  of  your  precious  fish!


Last edited by radek on Wed Dec 28, 2011 4:59 pm; edited 1 time in total
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PostPosted: Wed Dec 28, 2011 4:57 pm Post subject: Re: powerhead creating tsunami Reply with quote

 Dolphin  HOB  filters  are  of  very  good  quality  and  will  come  well  within  your  budget  range.  I  am  currently  using  them  for  both  my  tanks.  I  have  sent  u  a  PM  regarding  price  as  I  bought  filter  with  200lts/hr  at  Hyderabad  for  Rs  x  and  the  same  model  with  a  turnover  of  500lts/r  for  the  same  Rs  x  at
 Agra.   So  I  basically  got  ripped  off  at  Hyd.  BTW  here  is  a  link  I  came  across  on  web  for  the  same  filter  but  I  do  not  know  if  the  vendor  is  relable  or  not  ,the  price  is  definitely  reasonable.   
 
      Dolphin  HOB  H  500
 
 iF  YOU  GO  FOR  SOMEOTHER  BRAND  PLEASE  CHECK  IF  THE  HOB  NEEDS  TO  BE  PRIMED  ONCE  IT  IS  SWITCHED  OFF  FOR  SOME  REASON.
 
 In  a  HOB  u  need  to  add  water  at  least  on  the  first  start  and  this  is  called  priming.
 
 I  had  burnt  my  Boyu  HOB  as  it  had  to  be  primed  everytime  and  was  running  dry  once  the  power  had  tripped  off.
 
 Dolphin  does  not  have  that  problem.  Definitely  do  not  go  for  SOBO  brand  as  it  is  of  a  poor  quality.
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PostPosted: Wed Dec 28, 2011 5:42 pm Post subject: Re: powerhead creating tsunami Reply with quote

                                                   
elimoses3  wrote  (View  Post):                
Dolphin  HOB  filters  are  of  very  good  quality  and  will  come  well  within  your  budget  range.  I  am  currently  using  them  for  both  my  tanks.  I  have  sent  u  a  PM  regarding  price  as  I  bought  filter  with  200lts/hr  at  Hyderabad  for  Rs  x  and  the  same  model  with  a  turnover  of  500lts/r  for  the  same  Rs  x  at
 Agra.   So  I  basically  got  ripped  off  at  Hyd.  BTW  here  is  a  link  I  came  across  on  web  for  the  same  filter  but  I  do  not  know  if  the  vendor  is  relable  or  not  ,the  price  is  definitely  reasonable.   
 
      Dolphin  HOB  H  500
 
 iF  YOU  GO  FOR  SOMEOTHER  BRAND  PLEASE  CHECK  IF  THE  HOB  NEEDS  TO  BE  PRIMED  ONCE  IT  IS  SWITCHED  OFF  FOR  SOME  REASON.
 
 In  a  HOB  u  need  to  add  water  at  least  on  the  first  start  and  this  is  called  priming.
 
 I  had  burnt  my  Boyu  HOB  as  it  had  to  be  primed  everytime  and  was  running  dry  once  the  power  had  tripped  off.
 
 Dolphin  does  not  have  that  problem.  Definitely  do  not  go  for  SOBO  brand  as  it  is  of  a  poor  quality.                

 
 Many  thanks  for  this  for  you  and  radek.
 
 I  will  certainly  look  at  buying  this  dolphin  500.
 
 will  this  be  enough  for  my  49  litres  tank?
 
 or  should  i  go  for  a  higher  model  in  dolphin?
 
 as  my  budget  is  1500k  this  is  very  very  reasonable  price  for  dolphin  500
 
 so  please  reply  whether  this  model  which  is  recommended  is  enough  for  my  tank  or  need  to  buy  a  higher  capacity  in  the  same  brand.
 
 Thanks
 
 Vijay
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