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http://indianaquariumhobbyist.com/community/ :: View topic - Hi guys need a suggestion on PH level
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Hi guys need a suggestion on PH level

 
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aquaartist
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PostPosted: Sun May 20, 2007 12:20 pm Post subject: Hi guys need a suggestion on PH level Reply with quote

 HI  guys  i  need  a  suggestion  on  PH  level  and  how  to  maintain  it  my  tanks  currant  PH  level  is  8.0  and  salt  level  is  1.024.
 
 i  want  to  know  what  is  the  required  level  for  a  REEF  tank....
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DJ_Rocky
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PostPosted: Sun May 20, 2007 1:01 pm Post subject: Re: Hi guys need a suggestion on PH level Reply with quote

                                                   
Quote:                
i  want  to  know  what  is  the  required  level  for  a  REEF  tank....                  

 8.1  to  8.4  Thumb Up
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rahulk
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PostPosted: Sun May 20, 2007 6:27 pm Post subject: Re: Hi guys need a suggestion on PH level Reply with quote

 For  a  fish  only  tank  we  usually  maintain  lower  SG  around  1.020  at  25  Celcius
 For  a  reef(invert)  tank  we  need  to  maintain  a  higher  SG  Around  1.025  at  25  celcius.
 
 Note:-  as  the  temperature  increases  the  water  becomes  less  viscous,  ie  if  you  had  set  SG  to  1.023  at  25  celcius,  you  will  get  a  reading  of  less  than  1.023  at  26  celcius
 This  does  not  mean  that  the  salinity  has  gone  down.
 
 Ph  of  8.1  to  8.4  is  good,  Since  you  Ph  is  slightly  low  you  can  bring  it  up  SLOWLY  by  adding  sodium  bicarbonate  solution(cooking  soda),  Or  you  can  use  some  commercially  available  solution  like  Ph  Up.  
 Do  it  slowly.
 
 Rahul
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Madan
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PostPosted: Sun May 20, 2007 9:23 pm Post subject: Re: Hi guys need a suggestion on PH level Reply with quote

 Rahul  where  have  you  brought  viscosity  into  the  whole  jim  bang  again?
 
 As  the  temparature  increases  water  expands  in  volume  so  the  same  mass  of  water  now  occupies  a  higher  volume.
 
 Density  being  Mass  /  Volume,  reduces  as  the  denominator  -  the  volume  -  has  increased  for  the  same  mass.
 
 If  water  were  to  turn  viscous  with  the  addition  of  salt  then  I  don't  know  how  many  tons  of  salt  would  be  needed  per  liter  for  any  significant  change  to  show.  Viscosity  is  a  property  related  with  motion  of  a  fluid,  it  does  not  have  anything  to  do  in  aquariums.
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rahulk
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PostPosted: Mon May 21, 2007 5:43 am Post subject: Re: Hi guys need a suggestion on PH level Reply with quote

 Apologies!
 This  subject  does  not  seem  to  get  into  my  thick  skull   Very Happy  
 
 Please  disregard  my  previous  post
 
 Thanks
 Rahul
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Rana
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PostPosted: Mon May 21, 2007 2:33 pm Post subject: Re: Hi guys need a suggestion on PH level Reply with quote

 Rahul
 
 The  subject  goes  like  this.
 
 Density  is  Mass  divided  by  Volume  of  Substance.  
 
 Specific  gravity  is  how  that  substance  is  heavier  than  same  volume  of  water.  Density  of  water  is  one  at  4  degree  C.
 
 For  Marine  water,  if  you  dissolve  1  Kg  of  Salt  in  30  Liter  of  water,  the  total  weight  will  be  30  Kgs  +  1  Kg  =  31  Kgs.  (For  water,  1  liter  is  1  Kg.)
 
 So  the  density  or  specific  gravity  (Since  you  are  comparing  with  water  only)  will  be  31/30  =  1.03  (Theoritically).
 
 At  a  given  temperature,  Viscosity  is  any  fluid's  internal  resistance  to  flow.  Just  to  get  some  idea.  for  example,  Fevicol  Adhesive  is  more  viscous  than  water.  Vegetable  oil  is  more  viscous  than  petrol.
 
 Regards
 Rana
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mughal
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PostPosted: Wed May 23, 2007 4:32 am Post subject: Re: Hi guys need a suggestion on PH level Reply with quote

 Hi  all,
 
 Thats  the  problem  I'm  currently  having  too.  Addition  of  NaHCO3  boosts  the  pH  temporarily  but  it  gradually  comes  down  in  a  couple  of  days.  The  problem  is  not  with  the  pH  itself,  but  the  pH  buffering  capacity  of  water.  Any  ideas  on  how  to  buffer  pH  above  8??
 
 Thanks  in  advance.
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aquaartist
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PostPosted: Wed May 23, 2007 7:51 pm Post subject: Re: Hi guys need a suggestion on PH level Reply with quote

 Hi  guys  the  current  PH  level  is  still  8.0...
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aquascapes
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PostPosted: Fri Jun 01, 2007 3:59 pm Post subject: Re: Hi guys need a suggestion on PH level Reply with quote

 Hi  Mugal  and  aquartist  -  My  apologies  for  the  late  reply  I  would  like  you  to  read  the  article  at  the  link  provided  below  and  properly  understand  the  factors  that  are  responsible  for  a  low  pH
 low  pH  
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aquaartist
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PostPosted: Sat Jun 02, 2007 8:47 am Post subject: Re: Hi guys need a suggestion on PH level Reply with quote

 Hi  aquascapes,
 
 Thanks  a  lot  for  the  article  its  really  helpful  to  me.
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