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http://indianaquariumhobbyist.com/community/ :: View topic - Thin film forming on water surface... bad or ok?
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Thin film forming on water surface... bad or ok?

 
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vikram
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PostPosted: Thu Sep 14, 2006 10:55 am Post subject: Thin film forming on water surface... bad or ok? Reply with quote

 Hi  guys..   i  moved  to  a  new  place..  setup  both  my  tanks..  one  is  a  80G  with  malawi  cichlids..   seems  to  be  running  fine  now..  the  other  is  a  small  2'*1'*1'  (15G)  tank..  No  FILTER..  No  Gravel  yet...  some  crypts,  amazon  swords,  hidrilla  etc  with  a  single  Betta.  (This  is  a  temporary  set-up)  
 
 However  i  see  a  thin  film  on  the  water  surface  and  Foam  accumulated  at  some  places  in  the  2Ft  tank..  (I  donot  see  that  in  my  bigger  tank  (it's  got  a  power  filter  1400  L/h)   )              i  guess  it's  protien  or  sumthin..  (not  sure)  ..  i'm  using  Borewell  water  now   ..  Is  that  layer  something  to  be  worried  abt?  or  is  it  normal?  will  adding  a  filter  help?   Also,  is  it  true  that  black  mollies  eat  up  that  layer  (i  read  somewhere)..  Thanks..  Vikram.
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arupnandi1969
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PostPosted: Thu Sep 14, 2006 11:21 am Post subject: Re: Thin film forming on water surface... bad or ok? Reply with quote

 The  bubbles  are  beacuse  you  Betta  is  happy  and  is  expecting  ladies  to  come  his  way  -  yes,  that's  probably  a  bubblenest.  The  white  layer  you  see  is  the  "temporary  hardness"  of  the  borewell  water  wearing  out.  Often,  the  Calcium  hydrogen  carbonate  that  is  in  the  borewell  water  tends  to  precipitate  out  (into  calcium  carbonate)  by  throwing  out  the  excess  CO2  -  which  is  sometimes  taken  in  by  some  kinds  of  plants.  So  it's  just  a  layer  of  insoluble  carbonates  and  harmless.  If  you  had  mollies,  or  a  powerful  filter,  they'd  disturb  the  surface  of  the  water  -  and  you  might  not  have  noticed  the  film.  The  Betta  is  a  lazy  fish  and  hence  does  nothing  about  this.
 
 However,  my  advise  to  this  is  this  -  skim  off  the  top  layer  using  a  mug,  change  around  30-50%  of  the  water.  I  normally  do  this  without  any  ill  effects.
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sandeepraghuvanshi
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PostPosted: Thu Sep 14, 2006 12:02 pm Post subject: Re: Thin film forming on water surface... bad or ok? Reply with quote

 A  layer  of  bubbles  or  foam  is  often  seen  in  aquariums  where  there  is  no  disruption  of  surface.
 It  is  often  due  to  organic  matters  in  water  and  oils  etc.  
 In  you  case  as  you  are  using  borewell  water,  it  may  be  dissolved  gases  in  water.
 Normally  they  are  not  causes  of  worry,  a  very  easy  way  to  get  them  out  is  to  spread  a  sheet  of  newpaper  on  the  surface  of  water,  the  sheet  will  absorb  the  organic  wstes  and  you  can  remove  them.
 Borewell  water  is  often  hard  and  leaves  a  deposit  of  calcium  on  sides  of  water.  This  often  becomes  a  problem  in  areas  like  mine  where  water  is  very  hard.  I  simply  use  water  purified  by  aquaguard.
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arupnandi1969
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PostPosted: Thu Sep 14, 2006 2:47 pm Post subject: Re: Thin film forming on water surface... bad or ok? Reply with quote

 I  like  the  idea  of  using  a  newspaper.  However,  please  be  careful  that  you  do  not  block  the  Betta  of  its  supply  of  atmospheric  oxygen.  The  Betta,  being  a  labyrinth  breather  needs  to  have  access  to  the  atmosphere.  Perhaps  what  you  can  do  it  to  tear  the  paper  into  small  shreds  and  spread  it  on  the  water  surface.
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sandeepraghuvanshi
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PostPosted: Thu Sep 14, 2006 4:26 pm Post subject: Re: Thin film forming on water surface... bad or ok? Reply with quote

                                                   
arupnandi1969  wrote  (View  Post):                
I  like  the  idea  of  using  a  newspaper.  However,  please  be  careful  that  you  do  not  block  the  Betta  of  its  supply  of  atmospheric  oxygen.  The  Betta,  being  a  labyrinth  breather  needs  to  have  access  to  the  atmosphere.  Perhaps  what  you  can  do  it  to  tear  the  paper  into  small  shreds  and  spread  it  on  the  water  surface.                
 
 
 The  idea  is  to  simply  wipe  the  surface  with  newspaper,  you  are  not  supposed  to  leave  it  in  the  tank.  Put  the  newspaper  on  the  surface  of  water  and  take  it  out.
 If  you  break  it  into  pieces,  you  will  not  be  able  to  take  all  pieces  out,  also  shreds  of  papres  might  be  eaten  by  food
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Suby7272
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PostPosted: Thu Sep 14, 2006 5:37 pm Post subject: Re: Thin film forming on water surface... bad or ok? Reply with quote

 Hi  Vikram
 
 This  issue  was  raised  once  earlier  in  Water  Chemistry  section  titled  
 "Oily  layer  on  Water".  Soon  after  reading  the  post  there,  I  realised  I  too  was  having  the  same  problem.  
 Well,  I  went  the  newspaper  way,  it  did  seem  to  help  to  an  extent,  but  the  problem  recurred  soon  after.  Wonder  where  all  the  oil  is  coming  from   Chuckle   The  fish  look  absolutely  fine,  and  mind  you  the  tank  is  well  furnished  too,  with  substrate,  internal  filters  etc.
 
 So,  I  guess  nothing  much  to  worry  about  this.  However,  I  sometimes  wonder  if  this  could  be  due  to  the  feed.  I  feed  mine  Tetra  Bits,  OSI  Brine  Shrimp  Flakes  and  Hikari  Frozen  Blood  Worms.  What  about  you  ?
 
 
 Suby
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sandeepraghuvanshi
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PostPosted: Thu Sep 14, 2006 6:32 pm Post subject: Re: Thin film forming on water surface... bad or ok? Reply with quote

 I  often  see  such  layers  in  my  aquarium,  specially  planted  ones,  where  there  is  no  disruption  of  water  surface.
 I  don't  think  it  is  of  much  consequence.
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scorpiopereira
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PostPosted: Sat Sep 16, 2006 3:11 pm Post subject: Re: Thin film forming on water surface... bad or ok? Reply with quote

                                                   
vikram  wrote  (View  Post):                
Hi  guys..  Â i  moved  to  a  new  place..  setup  both  my  tanks..  one  is  a  80G  with  malawi  cichlids..  Â seems  to  be  running  fine  now..  the  other  is  a  small  2'*1'*1'  (15G)  tank..  No  FILTER..  No  Gravel  yet...  some  crypts,  amazon  swords,  hidrilla  etc  with  a  single  Betta.  (This  is  a  temporary  set-up)  
 
 However  i  see  a  thin  film  on  the  water  surface  and  Foam  accumulated  at  some  places  in  the  2Ft  tank..  (I  donot  see  that  in  my  bigger  tank  (it's  got  a  power  filter  1400  L/h)  Â )  Â   Â   Â   Â   i  guess  it's  protien  or  sumthin..  (not  sure)  ..  i'm  using  Borewell  water  now  Â ..  Is  that  layer  something  to  be  worried  abt?  or  is  it  normal?  will  adding  a  filter  help?  Â Also,  is  it  true  that  black  mollies  eat  up  that  layer  (i  read  somewhere)..  Thanks..  Vikram.                

 Unless  its  bothering  the  fish  u  dont  bother  it.I  have  faced  this  problem  too,only  differnce  is  that  the  oxygen  level  in  my  tank  would  deplete  quickly.Mollies  are  just  like  other  fish.They  have  no  special  contribution  in  any  tank.I  mean  if  mollies  can  eat  up  the  layer  any  fish  can.Have  u  really  kept  a  betta  and  malawi  cichlids  together.INTERSTING!!!!!!!!!
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ClownyGirl
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PostPosted: Wed Oct 04, 2006 2:41 pm Post subject: Re: Thin film forming on water surface... bad or ok? Reply with quote

 I  have  actually  managed  to  resolve  the  oily  film  on  top  of  tank  problem  after  lots  of  tries.  It  is  indeed  due  to  the  kind  of  fish  food  you  use.  The  bubbless  or  scum  like  layer  could  be  due  to  water  hardness,  so  I  would  go  the  aquaguard  way.  
 
 For  the  oily  film,  this  is  what  I  did.  Originally  I  had  a  hydor  filter  in  the  tank  that  simply  moved  the  water  around  and  surface  agitation  was  wavy,  i.  e.  no  bubbles  to  the  top  of  surface.  The  hydor  failed  and  I  got  me  one  of  the  newer  filters.  This  one  came  with  a  pipe  you  could  attach  to  the  top  of  the  spout  and  the  other  end  of  the  pipe  went  outside  the  tank.  This  caused  air  bubbles  to  come  out  of  the  filter  jet.  When  these  burst  on  the  top  of  the  tank  they  diffuse  the  oil.  The  oil  of  course  stays  in  the  water,  just  doesnt  seem  to  float  on  the  surface.  It's  not  bad  for  the  fish  (I  guess)  because  it's  fish  oil  from  the  fish  food  and  nothing  that  regular  water  changes  wont  take  care  of.  
 
 If  you  dont  have  a  filter  that  let's  you  do  the  pipe  thing,  I  would  suggest  adding  some  aeration  to  the  tank,  the  bottom  like  is,  you  need  lots  of  bubbles  bursting  on  the  top  of  the  tank  without  overdoing  the  filteration  because  that  could  drown  your  betta.  
 
 Good  Luck!
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Joy
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PostPosted: Wed Oct 04, 2006 3:36 pm Post subject: Re: Thin film forming on water surface... bad or ok? Reply with quote

 There  is  no  reason  to  worry  because  of  the  thin  film  on  the  water  surface,  I  had  the  same  experience  initially  as  I  had  no  filter  installed  then,  I  introduced  a  pair  of  black  mollies  which  by  habit  swim  at  the  surface  ocassionally  while  doing  so  they  disturbed  the  surface  of  water  and  this  cleared  off  the  problem,  after  I  installed  the  Eheim  Classic  canister  filter  I  rarely  see  this  problem  ........
 Regards  Cheer Up
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