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http://indianaquariumhobbyist.com/community/ :: View topic - my plant leaf have brown dots and turning yellow
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my plant leaf have brown dots and turning yellow

 
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pentu
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PostPosted: Fri Dec 05, 2003 2:17 pm Post subject: my plant leaf have brown dots and turning yellow Reply with quote

 hi  guys,
 greetings  to  all.  i  have  a  peculiar  problem  my  plant  leaf  is  having  brown  spots  and  leaf  is  turning  yellow  and  disintegrating,  even  the  new  leaf  are  yellow  and  some  times  partially  brown,  i  am  using  pmdd  of  microsol-b  as  mentioned  by  mr.  madan  subramanyam  in  the  forum  listings.i  have  a  tank  size  of  36x18x18  inch.  the  tank  i  have  setup  is  one  and  half  month  old  the  substrate  i  have  used  is  latrite  of  one  inch,  then  250gms  of  coco  peat,  above  that  i  have  one  inch  calcuim  free  sand  of  2mm-3mm  thick,  i  have  3  pcs  of  drift  wood  in  the  tank  which  i  treated  before  introducing  in  the  with  algae  remover,  turmeric  and  hot  water  direct  from  the  geyser  for  a  week,  i  have  planted(tying  with  nylon  wire)  anubias,  java  fern  on  the  wood  which  is  doing  very  fine,  on  the  substrate  i  have  few  malayan  sword,  madgascar  lace,  baby  tears,  red  temple,  few  other  plants.  filtration  i  have  ehiem  2213  cannister  filter  with  ceramic  rings,  volcanic  rocks,  sintered  glass.  lighting  i  am  using  2x20w  florocent  tube  and  one  36w  philips  pll  tube.  i  am  using  diy  yeast  method  for  co2,  to  dissolve  the  co2  in  water  i  am  directing  the  co2  release  directly  under  the  power  head  suction  which  sucks  the  co2  and  mixes  in  the  water  and  also  agitate  the  water.  i  have  couple  of  gold  rams,  rummy  nose,  few  corydoras,  neon  tetras,  sharks.  i  feed  them  tubifex  and  blood  worms.  i  do  water  change  every  week.  pls  help  me.    Rolling Eyes
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aquadip2000
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Joined: Jul 05, 2003
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Location: Bangalore, India

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PostPosted: Fri Dec 05, 2003 11:46 pm Post subject:  Reply with quote

 Hi,  
 The  leaves  with  the  holes  and  turning  may  be  due  to  a  potassium  deficency.  So  add  potassium  in  the  form  of  potasium  nitrate  daily  to  your  tank.  Is  the  colour  of  the  water  in  your  tank  brown?  if  so  may  be  due  to  the  tannin  of  the  drift  wood(  may  be  another  cause)
 remedy  change  water  more  often.
   :lol:  .
 Potassium  nitrate  can  be  added  to  your  tank  either  in  the  powdered  form  of  by  mixing  it  in  water.  Try  your  self  the  dosage  as  over  use  wont  harm  any  fish(  stars  by  adding  a  pinch  every  day).
 
 Regards
 Adip
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samit
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Joined: Aug 31, 2003
Posts: 211
Location: Pune

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PostPosted: Sun Dec 07, 2003 6:37 am Post subject:  Reply with quote

 "..leaf  is  having  brown  spots.."
 If  the  spots  are  like  small  pinholes  and  the  sizes  of  the  holes  are  slowly  increasing,  then  it  can  be  Potassium  deficiency.  Adding  Potassium  nitrate  as  Adip  sugested,  should  help.
 
 "..leaf  is  turning  yellow  and  disintegrating.."
 If  older  leaves  are  turning  yellow  and  disintegrating,  then  can  be  Nitrogen  deficiency.  Sulfur  deficiency  also  shows  almost  same  symptoms.  You  can  try  6  unit  hot  water  +  0.5  unit  potassium  sulphate  +  0.5  unit  magnesium  sulphate  +  0.25  unit  potassium  nitrate  mixture,  1  tsp  per  5  gallons  on  start  up  and  water  change.  It  woked  fine  for  me.
 
 But  as  you  are  saying  "..even  the  new  leaf  are  yellow  and  some  times  partially  brown..",  then  I  think  your  tank  has  Iron  deficiency,  too.  But,  I  am  not  sure  about  it,  as  you  said  you  have  1"  laterite  in  the  bottom  layer  of  the  substrate.    Guys,  do  you  have  any  idea  about  the  possibility  of  Iron  deficiency  even  if  you  have  1"  laterite  in  your  substrate?  
 
 
 Also,  I  would  like  to  know  the  advantages  and  disadvanteges  you  have  found  with  coco  peat?
 
 Regards
 
 Samit
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beta
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Joined: Jun 29, 2003
Posts: 4261
Location: Chennai

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PostPosted: Sun Dec 07, 2003 9:02 am Post subject:  Reply with quote

 You  can  use  coco  peat  to  create  something  like  a  blackwater  extract  by  just  boiling  it  in  water  and  filtering  the  extract.
 Good  to  use  for  South  american  dwarf  cichlids  and  Tetras.  Watch  the  ph  though!!!
 
 Im  not  sure  bout  their  usefulness  in  a  planted  tank
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venket
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Joined: Jun 30, 2003
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PostPosted: Sun Dec 07, 2003 11:10 am Post subject:  Reply with quote

 Hello  guys,
 
 Here  is  my  part.  Like  every  one  said  it  looks  to  me  like  sulphur,  iron  and  ntirate  defficiency.  SO  I  suggest  to  add  propotions  of  kno3  and  k2so4  on  a  regular  basis  on  every  water  change  because  these  defficiencies  take  a  long  time  to  recover.  Long  in  the  sense  as  long  as  3  months  for  the  plants  to  completely  recover  from  the  damages.  As  far  as  the  iron  def  is  concerned,  the  chelated  mix  that  u  add  in  the  pmdd  mix  is  quite  good  to  take  care  of  it  as  I  use  nothing  more  than  that.  SO  just  increase  the  chelated  iron  mix  that  you  use  along  with  the  pmdd  mix  and  does  it  regularly.  Watchout  for  algae  blooms  cos  excess  iron  will  result  in  algae  blooms  and  also  carrodes  certain  plant  leaves.  For  more  details  on  this  please  refer  to  madans  earlier  posting  on  dosing  k2so4  and  kno3.
 
 
 Regards
 
 Venket
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nytyn
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Joined: Jul 04, 2003
Posts: 1133
Location: Coimbatore, India

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PostPosted: Sun Dec 07, 2003 3:41 pm Post subject: My few cents!!! Reply with quote

 Allow  me,  sir...
 
 This  is  the  millionth  time  you  are  probably  hearing  this......  but....
 
 hear  it  again...
 
 Do  massive  water  changes,  to  help  remove  unabsorbed  nutrients  that  maybe  building  up.  
 
 For  the  nutrients  you  are  pumping  in,  and  the  CO2  you  are  injecting,  I  frankly  dont  feel  that  you  have  enough  lighting..
 
 In  the  first  place,  if  I  were  you  I  would  run  away  from  anything  labelled  "Algae  remover",  that  you  used  to  clean  the  driftwaood,  because  I  have  seen  a  tank  collapse  totally  after  this  was  used.  Venket...  are  you  hearing?  Yes,  I  am  referring  to  thaaaaat  tank...    :lol:  
 
   filtration  i  have  ehiem  2213  cannister  filter  with  ceramic  rings,  volcanic  rocks,  sintered  glass.  lighting  i  am  using  2x20w  florocent  tube  and  one  36w  philips  pll  tube.  i  am  using  diy  yeast  method  for  co2,  to  dissolve  the  co2  in  water  i  am  directing  the  co2  release  directly  under  the  power  head  suction  which  sucks  the  co2  and  mixes  in  the  water  and  also  agitate  the  water.  
 
 If  I  were  you,  I  would  count  out  the  volcanic  rocks(if  you  are  referring  to  anti  ammonia  rock),  and  also  keep  the  agitation  low.  Keep  the  surface  free  of  agitation,  to  minimize  CO2  escaping  from  the  water  surface.  Dont  worry  about  O2  levels,  as  they  will  naturally  shoot  up,  if  your  CO2  is  supplied  well  to  the  plants.
 
 For  the  nutrient  that  your  tank  seems  to  be  lacking...  visit:
 
 http://www.csd.net/~cgadd/aqua/art_plant_nutrient.htm
 
 http://www.thekrib.com/Plants/Fertilizer/nutrient-deficiency.html
 
 HTH!
 
 Regards,
 
 Nitin  S,
 Chennai.
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pentu
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PostPosted: Mon Dec 08, 2003 1:54 pm Post subject:  Reply with quote

 thanks  guys,
 
 i  will  do  the  changes  as  you  guys  referred.  thanks  a  lot,  may  the  community    of  you  guys  flourish  to  help  us.
 
 regards,
 pentu
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Arup
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PostPosted: Tue Dec 09, 2003 11:18 am Post subject:  Reply with quote

 I  too  agree  the    Potassium,  Nitogen,  Iron  and  Sulphur  deficiency  in  your  tank  as  others  said.  But  from  my  personel  experience  of  using  Potassium  nitrate,  I  would  like  to  mention  that  sudden  increase  in  nitrate  level  might  kill  your  fish.  So  better  increase  your  dose  gradually.  Worth  reading  this  article  (suggested  earlier).  
 http://www.csd.net/~cgadd/aqua/art_plant_nitrate.htm
 
 I  would  also  suggest  you  to  increase  your  lighting  cause  the  broun  colour  might  be  brown  algae  which  results  from  low  light.  If  it  looks  like  rust  colered  dust  on  the  leaves  (slimy  layer  of  dark  brown  matter  in  advanced  stage),  then  it  IS  brown  algae  or  diatoms,  not  any  nutrient  defficiency.    I  will  suggest  you  to  increase  your  light  close  to  3watt  per  gall      the  brown  colour  too  might  appears  from  drift  wood  if  they  are  not  disinfected  properly.  Do  try  to  check  out  for  fungus  like  brown  growth  in  your  drift  wood.
 Arup
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