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http://indianaquariumhobbyist.com/community/ :: View topic - Diatom problem HELP!
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Diatom problem HELP!

 
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Rajdeep_Banik
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PostPosted: Thu Aug 28, 2014 4:16 pm Post subject: Diatom problem HELP! Reply with quote

 These  are  some  pictures  of  the  leaves  in  my  aquarium.  There  is  a  brown  layer  over  the  older  leaves  and  also  on  the  tank  surfaces.
 It  comes  back  2-3  days  after  cleaning.
 Fertilizer:  Calcium  nitrate,  K2SO4,  KH2PO4,  MgSO4.  I  also  freeze  the  fertilizer  water  and  push  those  ice  cubes  near  the  plant  roots.
 Lighting:  2  x  23Watt  CFLs,  1  x  4  ft  tube;  for  8-9  hrs.
 I  tried  DIY  CO2,  but  could  not  spot  any  differences.  So,  I  have  stopped  using  that.
 The  duckweeds  are  growing  well,  but  the  rooted  plants  are  not  growing.  I  added  the  duckweeds  only  a  month  ago,  the  tank  has  been  set  up  3  months  ago.
 Substrate  is  garden  soil  covered  with  a  layer  of  river  sand.
 I  have  read  that  low  light  and  having  sand  causes  diatom  bloom?  Is  it  the  case  here?  The  sand  was  nearly  white  at  the  beginning,  now  it  has  become  browinsh.  Also  the  plants  were  growing  nicely  at  the  begining,  but  after  the  new  leaves  matured,  it  stopped  producing  any  new  leaves  and  the  older  ones  are  affected  by  diatoms.
 P.S.:  Can  anybody  ID  the  plants?  I  think  these  plants  might  be  high  requirement  plants?!?!
 
 
 
 
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josyjames
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PostPosted: Thu Aug 28, 2014 4:39 pm Post subject: Re: Diatom problem HELP! Reply with quote

 Diatoms  usually  appears  in  a  newly  set  tank.
 
 In  addition  if  you  are  using  river  sand  which  has  lots  of  silicates,  then  you  could  have  this  issue.
 Also  if  you  are  using  ground  water  which  has  high  amount  of  silicates.
 
 Did  you  wash  the  river  sand  properly  before  using  the  same  in  the  tank?
 
 A  frequent  water  change  should  resolve  the  issue.
 
 I  also  noticed  that  you  are  using  Calcium  Nitrate!!!  Why  are  you  using  the  Calcium  Nitrate?
 Also  you  dont  need  MgSO4  to  be  dosed.
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Rajdeep_Banik
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PostPosted: Thu Aug 28, 2014 6:29 pm Post subject: Re: Diatom problem HELP! Reply with quote

 The  diatom  problem  has  been  always  in  my  aquarium,  not  just  in  'newly  set  tank'.
 The  sand  is  very  old,  I  have  been  using  the  same  sand  for  many  years!  I  just  wash  it  everytime  I  change  the  aquarium  layout.
 The  water  is  tap  water  (stored  for  a  few  days  prior  to  use),  not  ground  water.
 Because  I  could  not  find  Potassium  Nitrate,  I  am  using  Calcium  Nitrate.
 I  will  stop  dosing  MgSO4  if  you  suggest  so.
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Anandarajkumar
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PostPosted: Fri Aug 29, 2014 9:15 pm Post subject: Re: Diatom problem HELP! Reply with quote

 Hi  Rajdeep,
 For  this  load  of  plants,  I  would  suggest  no  dosing.  The  plants  you  have  are  not  much  demanding  ones,  so  only  the  fish  food  and  their  waste  will  fertilize!  That  would  help  reducing  algae  growth.
 
 Best  regards
 Anand
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Rajdeep_Banik
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PostPosted: Wed Dec 17, 2014 7:45 pm Post subject: Re: Diatom problem HELP! Reply with quote

 Hello  friends,  its  been  three  months  and  the  problem  has  reduced  a  bit.  First  I  stopped  the  dosing,  but  nothing  happened.  So,  for  the  last  1  month,  I  have  increased  the  dosing  to  two  times  a  week  and  two  water  changes  a  month.  All  the  plants  started  sprouting  new  leaves  and  older  leaves  started  to  become  yellow  and  die.
 I  have  also  added  more  fishes,  and  my  java  fern  divided  itself  to  four  plants,  its  leaves  are  still  black-spotted  though.
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josyjames
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PostPosted: Thu Dec 18, 2014 11:45 am Post subject: Re: Diatom problem HELP! Reply with quote

 You  have  too  low  light.
 
 You  will  seriously  have  to  increase  the  light  in  your  tank.
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garothmaan
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PostPosted: Thu Dec 18, 2014 4:14 pm Post subject: Re: Diatom problem HELP! Reply with quote

 Why  dont  you  try  Glut  dosing  for  a  while.  It  should  bring  the  tank  to  normal.
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Rajdeep_Banik
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PostPosted: Thu Dec 18, 2014 5:18 pm Post subject: Re: Diatom problem HELP! Reply with quote

                                                   
garothmaan  wrote  (View  Post):                
Why  dont  you  try  Glut  dosing  for  a  while.  It  should  bring  the  tank  to  normal.                

 Glut  means  glutaraldehyde???  Are  these  available  in  ebay?  SEACHEM  products  are  very  costly,  thats  why  I  am  using  a  DIY  fertilizer.
 Right  now  I  am  increasing  the  lights  to  about  120  Watts.  Lets  see  what  will  happen  with  a  higher  light!
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vishu1708
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PostPosted: Tue Apr 28, 2015 11:34 pm Post subject: Re: Diatom problem HELP! Reply with quote

 I  was  just  browsing  through  different  threads(just  to  kill  time)  and  I  found  this  thread
 Can  someone  please  identify  that  plant  in  the  last  pica,  just  behind  java  fern  leaf.  I  have  it  for  over  a  year  and  still  havent  been  able  to  ID  it.  Mine  grows  a  over  a  foot  tall  and  gives  an  occasional  floating  lead.
 Sorry  for  digging  this  old  thread.  
 Thanks.
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Rajdeep_Banik
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PostPosted: Wed Apr 29, 2015 12:21 am Post subject: Re: Diatom problem HELP! Reply with quote

                                                   
vishu1708  wrote  (View  Post):                
I  was  just  browsing  through  different  threads(just  to  kill  time)  and  I  found  this  thread
 Can  someone  please  identify  that  plant  in  the  last  pica,  just  behind  java  fern  leaf.  I  have  it  for  over  a  year  and  still  havent  been  able  to  ID  it.  Mine  grows  a  over  a  foot  tall  and  gives  an  occasional  floating  lead.                

 It  is  a  species  of  "Aponogetons"  as  per  another  forum  member,  although  mine  has  never  flowered.  I  bought  2  plants  about  10  yrs  ago,  and  now,  after  increasing  the  lighting,  I  have  more  than  20  plants  in  this  tank.  It  seems  there  is  a  seasonal  time  for  the  floating  seeds  to  come  and  after  that  the  mother  plants  slow  their  growth.  I  will  post  a  picture  of  the  tank  when  I  my  exams  will  be  over.
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Rajdeep_Banik
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PostPosted: Mon Jun 08, 2015 9:48 pm Post subject: Re: Diatom problem HELP! Reply with quote

 I  am  posting  in  my  old  thread  since  no  one  is  replying  to  my  queries  in  Andrew's  DIY  thread.
 
 This  is  my  tank  parameters:  
 Tank  size:  48  x  18  x  18  inches.
 Light:  3  X  T8(4  ft)  +  2  x  23W  CFLs.  (These  lights  are  normal  6500K  household  lights,  not  any  special  lights  from  LFS)
 Filter:  Internal  power  filter  +  radial  powerhead  (wavemaker  type).  I  also  have  a  sump,  but  that  is  unused,  since  it  is  difficult  to  clean.
 No  CO2.
 Substrate:  river  sand  (above)  +  garden  soil  (below).
 Plants:  Java  fern  (very  poor  condition,  low  growth)  ,  A  species  of  "Aponogetons"  (low  growth,  but  sprouts  plantlets  every  few  weeks)  ,  Water  lettuce  (very  good  condition)
 Ferts:  DIY,  Stopped  for  the  last  few  months,  as  there  was  no  change.
 Photoperiod:  8-9  hours.
 Water  temperature:  ~30  degree  Centigrade.
 Fishes:  6  adult  angels,  4  platies,  1  rainbow  shark,  4  yoyo  loaches,  1  gourami,  10-20  guppies.
 The  whole  setup  has  been  running  for  atleast  2  years.  
 
 After  some  people  suggested  to  increase  the  lighting,  I  added  the  T8  lights,  there  was  some  sudden  growth,  a  lot  of  plantlets,  and  now  the  growth  has  stopped.
 Someone  warned  me  that  my  tank  will  be  full  of  algae  and  I  should  add  more  plants,  so  I  planted  all  the  plantlets  (~20)  that  I  got  from  the  mother  plants,  but  nothing  happened,  the  baby  plants  are  still  small  after  about  3-4  months,  the  diatoms  are  still  going  strong.  Sad  
 
 I  used  to  do  20-30%  water  change  with  tap  water  every  week,  but  now  for  the  last  2  weeks  I  have  not  changed  any  water,  just  topped  of  the  evaporated  water,  and  I  am  also  keeping  the  tank  dark  for  1  hour  in  mid-day,  I  can  see  the  leaves  are  a  bit  free  of  the  diatoms,  but  the  glasses  are  not.  I  bought  a  java  fern  to  tie  to  the  driftwood  at  the  center,  but  the  plant  split  in  three  parts  after  adding  in  the  tank,  now  I  have  three  small  ferns  tied  to  a  wood  lying  at  a  corner  with  small  leaves.   
 
 Here  is  a  present  picture:
 
 
 Now  I  am  thinking  of  removing  all  the  lights  and  installing  DIY  LEDs,  like  Andrew's  work.  Will  it  work?  Or  will  there  be  some  other  type  of  problem  without  CO2.  I  have  read  that  plants  can  also  be  kept  without  CO2  injection,  only  the  growth  will  be  slower.
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khandar
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PostPosted: Mon Jun 15, 2015 12:33 am Post subject: Re: Diatom problem HELP! Reply with quote

 Dear  Rajdeep,
 You  can  always  try  a  shoal  of  ottos.   They  are  known  to  be  very  good  at  dispatching   diatoms.
   Thanks,
   Arin
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