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http://indianaquariumhobbyist.com/community/ :: View topic - Try or don't try breeding cardinal tetras
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Try or don't try breeding cardinal tetras

 
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Ryel
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PostPosted: Mon Aug 15, 2011 1:48 am Post subject: Try or don't try breeding cardinal tetras Reply with quote

 I  will  be  having  a  2  feet  tank  as  spare  soon  hence  wanted  some  inputs  from  IAH  gurus.  Not  planning  to  convert  this  tank  into  a  planted  one  or  anything  like  that  but  a  thought  just  came  into  my  mind  to  try  my  luck  at  breeding  cardinal  tetras.  Hence  from  the  time  i  get  the  cardinals  (juveniles)  to  the  time  they  reach  breeding  condition  and  if  ever  they  spawn  or  not  etc  is  it  worth  investing  the  time  ????
 
 Came  across  this  site  while  researching  etc  "http://en.microcosmaquariumexplorer.com/wiki/Breeding_the_Cardinal_Tetra".  Also  how  do  you  reduce  the  conductivity  of  the  water  as  mentioned.
 
 Thanks,
 
 Ryel
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BottomDweller
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PostPosted: Mon Aug 15, 2011 10:15 am Post subject: Re: Try or don't try breeding cardinal tetras Reply with quote

 Hi  Ryel,
 
 Wonderful  that  you  are  planning  to  breed  the  cardinals.  Mumbai  weather  and  water  conditions  should  not  be  a  major  major  issue  for  this.   I  went  through  the  link  you  provided  and  it  is  quite  informative.  You  can  cross  check  the  data  with  other  sites  -  aquaticcommunity.com  is  a  good  option  to  compare.
 
 Keep  in  mind  the  water  condition  which  has  to  be  kept  very  stable  and  ther  would  be  verry  little  scope  for  variations.  The  "conductivity"  mentioned  is  nothing  but  the  hardness  of  the  water  (TDS).  The  density  of  dissolved  solids  conduct  a  certain  amount  electricity,  which  can  be  varied  with  reducing/increasing  the  amount  of  dissolved  solids.  You  can  hunt  for  a  CONDUCTIVITY  vs  TDS  (in  DG  or  PPM)  comparison  chart  and  check  out  the  microSemens  values  given  in  the  link.  You  will  get  an  idea  of  the  hardness/softness  of  the  water  required  to  maintain  the  required  conductivity.
 
 I  will  also  hunt  for  a  chart  and  post  the  link/chart  itself  if  found.  Go  ahead  with  the  breeding,  there  are  experts  here  who  would  surely  help  with  the  details   Smile  
 
 All  the  very  best!
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Ryel
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PostPosted: Mon Aug 15, 2011 11:11 am Post subject: Re: Try or don't try breeding cardinal tetras Reply with quote

 @BottomDweller:  I  strongly  believe  conductivity  and  TDS  are  two  different  things  in  water  parameters.  This  is  what  have  come  to  know  about  both.  Conductivity  is  a  gross,  indirect  measurement  of  the  concentration  of  ions  present  in  a  liquid  solution.   The  unit  of  measure  most  commonly  used  for  conductivity  is  the  Siemen.  Micro-Siemens,  uS/cm,  (10-6  )  is  Micro-Siemens  per  cubic  centimeter.   Milli-Siemens,  mS/cm,  (10-3  )  is  Milli-Siemens  per  cubic  centimeter  and  for  highly  conductive  solutions  there  is  the  Siemen.   Conductivity  is  measured  without  regard  to  temperature.   Compensated  Conductivity  is  measured  at  25°  Celsius  or  some  other  selected  reference  temperature.   Conductivity  =  1/Resistivity.  TDS  or  totally  dissolved  solids  is  a  measurement  of  the  total  dry  mass  of  dissolved  solids  in  water.  TDS  is  measured  by  grams  per  liter,  g/L  and  is  based  on  compensated  conductivity  where  a  temperature  coefficient  is  selected  and  a  TDS  calculated  coefficient  is  selected  based  on  the  types  of  salts  in  the  solution.  Conductivity  is  a  measurement  of  Electrical  Resistivity  which  is  related  to  principally  Sodium  Chloride  Equivalents  and  then  in  turn  to  Total  Dissolved  Solids  through  extrapolation  to  known  measurements.  Total  Dissolved  Solids  is  established  by  Titration  and  Evaporation  and  is  a  direct  measurement.
 
 Now  i'm  thinking  as  read  in  the  link  provided  earlier  the  writer  said  he/she  lowered  the  conductivity  ???  how  is  that  done.
 
 Thanks,
 
 Ryel
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prask2
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PostPosted: Mon Aug 15, 2011 2:42 pm Post subject: Re: Try or don't try breeding cardinal tetras Reply with quote

 good  luck  !!  tell  me  about  your  experience  if  you  try  it.  heres  a  link  about  breading  neons.  i  hope  there  will  be  no  big  difference  between  neons  and  cardinals.  it  might  be  helpful  for  u.
 
 http://www.practicalfishkeeping.co.uk/content.php?sid=4152&utm_source=pfkmag.com%2F&utm_medium=Shortcoder&utm_campaign=Social%3ATwitter
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Ryel
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PostPosted: Mon Aug 15, 2011 3:02 pm Post subject: Re: Try or don't try breeding cardinal tetras Reply with quote

 Aren't  there  any  case  studies  for  breeding  these  fishes.  Irrespective  if  the  breeding  project  was  a  failure  or  success.
 
 Thanks,
 
 Ryel
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BottomDweller
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PostPosted: Mon Aug 15, 2011 7:22 pm Post subject: Re: Try or don't try breeding cardinal tetras Reply with quote

 Well  Ryel,  I  guess  you  got  me  wrong  here.  Let  me  rephrase  -  the  conductivity  mentioned  (in  the  link)  is  directly  related  to  the  lowering  of  TDS  value  to  get  the  desired  conductivity  readings.  Yes  Conductivity  and  Hardness  are  two  completely  different  things  in  water  parameters  -  and  let  me  put  it  in  a  simpler  way  here:
 
 Electrical  conductivity  estimates  the  amount  of  total  dissolved  solids  (TDS),  and  the  total  amount  of  dissolved  ions  in  water.  When  a  solution  does  not  have  a  similar  ionic  content  to  natural  water  or  salt  water,  then  a  TDS  conversion  factor  is  needed  to  automatically  adjust  the  readings.  This  is  used  the  world  over.  Ions  and  ionic  compounds  making  up  TDS  usually  include  carbonate,  bicarbonate,  chloride,  fluoride,  sulfate,  phosphate,  nitrate,  calcium,  magnesium,  sodium,  and  potassium,  and  any  ion  that  is  present,  will  contribute  to  the  total.  The  TDS  of  a  water  sample  can  also  be  estimated  fairly  accurately  from  the  electrical  conductivity  of  the  sample  via  a  linear  correlation  equation  (lets  ont  mention  the  equation  here)  dependent  upon  specific  conductivity.
 
 Also  you  can  look  up  if  this  sounds  untrue:  Dissolved  ions  are  a  component  of  total  dissolved  solids,  which  is  an  indicator  of  water  quality  used  the  world  over,  again.
 
 Hence,  I  would  reiterate,  you  can  reduce  conductivity  of  the  water  by  lowering  the  hardness.  
 
 And  I  am  sure  you  know  that  all  TDS  pen  type  meters  available  in  the  market  work  solely  on  conductivity  to  give  us  the  ppm  reading.  If  the  water  doesnot  conduct  any  charge,  it  shows  "0  ppm"  and  more  the  dissolved  particles  and  ions  in  water,  more  the  reading   Smile


Last edited by BottomDweller on Mon Aug 15, 2011 7:25 pm; edited 1 time in total
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Deepak267
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PostPosted: Mon Aug 15, 2011 7:24 pm Post subject: Re: Try or don't try breeding cardinal tetras Reply with quote

 I  belive  it  is  always  fun  to  try  something  new....  as  long  as  you  are  not  investing  a  lot  of  money,  it  should  be  ok.  
 
 Good  Luck.
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