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bbxx
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PostPosted: Sun Jan 22, 2006 1:27 am Post subject: PH Reply with quote

 what  is  water  Ph.How  to  measure  it  at  home.
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ravi
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PostPosted: Sun Jan 22, 2006 9:12 am Post subject:  Reply with quote

 Hi,
 
 pH  is  the  measure  of  acidity  or  alkalinity.  For  example,  water  can  be  acidic,  neutral  or  alkaline.  Water  contains  hydrogen  ions.  When  you  have  lots  of  hydrogen  ions,  water  becomes  acidic.  When  hydrogen  ions  concentrations  go  down,  water  becomes  alkaline.
 
 pH  is  measured  in  a  range  of  0  to  14.  7  is  neutral.  Less  than  7  means  water  is  acidic.  As  the  pH  goes  from  6  to  0,  it  become  more  &  more  acidic.  More  than  7  means  water  is  alkaline.  pH  scale  is  logarithmic,  which  means  a  5  is  10  times  more  acidic  than  6.
 
 There  are  many  ways  of  measuring  pH.  
 

     
  • pH  measuring  strips:  The  least  expensive,  but  wild  inaccurate,  way  of  measuring  pH  is  to  use  pH  measuring  strips.  These  are  paper  strips,  about  50  cms  long  x  1  cm  wide.  When  you  wet  this  paper  with  the  solution  which  you  want  to  measure,  the  colour  of  the  paper  changes.  You  then  compare  this  colour  with  a  chart  which  the  manufacturer  provide  to  derive  the  pH  value.
     
  • Electronic  pH  Meters:  Inexpensive,  handheld  pH  meters  are  available.  These  will  provide  almost  instant  readout.  
     
     

 Hope  this  helps.
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PostPosted: Sun Jan 22, 2006 9:04 pm Post subject:  Reply with quote

 Thanks  Ravi
 
 Is  determining  Ph  important  for  fish  keeping  (as  specific  Ph  levels  for  different  fishes  are  mentioned  in  a  book  I  bought)  or  normal  drinking  water  good  enough  for  aquarium  fishes
 
 Pls  inform
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ravi
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PostPosted: Sun Jan 22, 2006 9:17 pm Post subject:  Reply with quote

 Hi,
 
 Don't  worry  about  pH.  In  my  planted  tank,  I  have  seen  pH  fluctuate  wildly  from  6.2  to  8.8  within  a  period  of  6  hours.  Fishes  are  not  too  bothered  about  pH  if  hardness  is  reasonably  high.
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sandeepraghuvanshi
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PostPosted: Sun Jan 22, 2006 9:49 pm Post subject:  Reply with quote

 Hi,
 In  my  opinion  Ph  of  water  is  not  important.
 More  important  than  Ph  are  temp,  nitrate  levels  of  water.
 Your  source  water  is  good  enough,  If  you  can  drink  it  your  fishes  will  far  be  happy.
 Do  not  add  anything  to  change  Ph,  If  it  is  tapwater  just  add  decholrinators  to  take  chlorine  out.
 Fishes  can  adjust  to  variations  but  too  many  changes  tend  to  stress  them  out.
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PostPosted: Sun Jan 29, 2006 5:04 pm Post subject:  Reply with quote

 thanks
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PostPosted: Sun Jan 29, 2006 5:34 pm Post subject:  Reply with quote

 What  is  hardness/softness  of  water.How  to  measure  it  and  change  it  at  home.Pls  inform
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madhu_ulysses
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PostPosted: Mon Jan 30, 2006 8:19 am Post subject:  Reply with quote

 In  simple  terms,  if  you  have  more  calcium  carbonate  in  your  water,  its  said  to  be  hard  and  low  cacium  carbonate  means  its  soft.    pH  and  hardness  are  very  closely  related.    Alkaline  water  is  mostly  hard  and  acidic  water  is  mostly  soft.    You  need  not  bother  much  about  these  unless  and  until  you  plan  to  keep  wild  heckels  or  altums.    Most  tropical  fishes,  and  the  tank  bred  commercially  available  ones  are  adapted  to  a  wide  range  of  water  parameters.    Also  adjusting  pH  and  hardness  is  a  very  tricky  job,  so  going  on  with  what  is  available  is  the  best  way  to  go.
 Hardness  test  kits  are  available.    You  can  also  use  an  electronic  TDS  (Total  Dissolved  Solvents)  meter  to  read  it.
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ravi
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PostPosted: Mon Jan 30, 2006 8:37 am Post subject:  Reply with quote

 TDS  =  Total  Dissolved  Solids
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PostPosted: Wed Feb 01, 2006 11:15 pm Post subject:  Reply with quote

 Thanks
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pandian
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PostPosted: Thu Feb 02, 2006 10:17 am Post subject:  Reply with quote

 i  have  recently  bought  some  gravel  from  mosic  floor  raw  material  dealer  for  my  new  tank.....
 
 there  the  sale  person  said  that  some  stones  are  not  suitable  for  aquarium  and  they  say  that  they  are  "suna  i  mbu"  tamil  name.    which  is  use  to  paint  the  wall....  which  is  calcium(i  think)  will  this  change  the  ph  of  water....????
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pandian
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PostPosted: Thu Feb 02, 2006 10:44 am Post subject:  Reply with quote

                                                   
ravi  wrote:                
Hi,
 Electronic  pH  Meters:  Inexpensive,  handheld  pH  meters  are  available.  These  will  provide  almost  instant  readout.  
                 

 
 
 where  do  i  get  this  meter?????  what  is  the  cost  (pm  me)????
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kelilong11
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PostPosted: Mon Nov 13, 2006 1:01 pm Post subject: Re: PH Reply with quote

 Dear  Sir/Madam,  
 We  are  one  of  the   Kinds  of  Analytic  Instrument  manufacturers  of  china,meter,  as  one  of  the  biggest  manufactures  of  PH  meter  in  Fujian  province,  mainly  analytic  instrument  products.  Our  products  are  in  use  around  the  world,  simplifying  analysis  with  reliable,  accurate  results,  deal  to  high  quality  and  reasonable  price.  We  are  ready  to  refer  you  our  favourable  price,  for  marketing  activities.   
 Our  good  quality  and  best  aftersals  service  has  been  praised  by  our  customers  from  all  over  the  world.  
 
 Major  products:  Water  Quality  Testing(monitoring)  Instrument:  PH  meter,conductivity  meter,  TDS  meters,  ORP  meter;  pNa  meter,  salt  meter;  rotary  speed  measurement  of  the  machinery  manufacturing  equipment:  Many  functions  tachometer;  air  quality  testing  instrument:  thermometer,  hygrometer;  Others:  Refractometer,  Water  pump.  
 Should  you  have  interest  of  items  mentioned  above?  Kindly  let  us  know  by  return  mail.  For  getting  all  the  detailed  information,  you  are  invited  to  visit  our  web  site:
 http://www.kelilong.com     
 
 Looking  forward  to  hearing  from  you  soon.  
 
 Best  regards.  
 
 siying
 
 Manager  of  Sales  Department  
 
 Add:NO.60  Xing  Ye  Middle  Road,  Fuan  Fujian,  China  
 
 Tel:+86-593-6550588
 
 Fax:+86-593-6550158  
 
 Email:meter@1718cn.com  
 
 Website:  http://www.kelilong.com
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Rana
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PostPosted: Mon Nov 13, 2006 1:17 pm Post subject: Re: PH Reply with quote

 Hi
 
 Just  to  add,  you  need  a  certain  pH  range  for  keeping  any  particular  fish  species.  Otherwise  fish  may  feel  uncomfortable  and  unable  to  display  their  full  color  and  behaviour.  For  example  ,  you  need  acidic  pH  for  keeping  tetras  or  Alkaline  pH  >  8.0  for  chiclids.
 
 With  pH,  please  check  the  water  hardness  (Calcium  and  Magnesium  ions)  also  as  they  are  interrelated.  More  hardness  more  pH  due  to  presence  of  Bicarbonate  ions.
 
 Normal  tap  water  pH  varies  between  7.5  to  8.5.  After  removal  of  chlorine  from  municiple  tap  water,  pH  will  rise  to  some  extent.
 
 However  donot  worry  if  you  intend  to  keep  a  community  aquarium  with  common  captive  bred  fishes  like  Angel,  Barbs,  Gourami  etc.  [/b]
 Regards
 
 Rana
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rameshkumaar
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PostPosted: Wed Nov 22, 2006 12:45 am Post subject:  Reply with quote

                                                   
ravi  wrote  (View  Post):                
Hi,
 
 pH  is  the  measure  of  acidity  or  alkalinity.  For  example,  water  can  be  acidic,  neutral  or  alkaline.  Water  contains  hydrogen  ions.  When  you  have  lots  of  hydrogen  ions,  water  becomes  acidic.  When  hydrogen  ions  concentrations  go  down,  water  becomes  alkaline.
 
 pH  is  measured  in  a  range  of  0  to  14.  7  is  neutral.  Less  than  7  means  water  is  acidic.  As  the  pH  goes  from  6  to  0,  it  become  more  &  more  acidic.  More  than  7  means  water  is  alkaline.  pH  scale  is  logarithmic,  which  means  a  5  is  10  times  more  acidic  than  6.
 
 There  are  many  ways  of  measuring  pH.  
 

     
  • pH  measuring  strips:  The  least  expensive,  but  wild  inaccurate,  way  of  measuring  pH  is  to  use  pH  measuring  strips.  These  are  paper  strips,  about  50  cms  long  x  1  cm  wide.  When  you  wet  this  paper  with  the  solution  which  you  want  to  measure,  the  colour  of  the  paper  changes.  You  then  compare  this  colour  with  a  chart  which  the  manufacturer  provide  to  derive  the  pH  value.
     
  • Electronic  pH  Meters:  Inexpensive,  handheld  pH  meters  are  available.  These  will  provide  almost  instant  readout.  
     
     

 Hope  this  helps.                

 
 Txs  for  the  valuable  information.
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