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http://indianaquariumhobbyist.com/community/ :: View topic - KCL Vs K2So4
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KCL Vs K2So4
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sandeepraghuvanshi
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PostPosted: Tue Jul 17, 2012 3:56 pm Post subject: KCL Vs K2So4 Reply with quote

 Most  of  us  use  K2SO4(Potassium  Suplhate)  along  with  Kno3  &  KH2PO4  for  macro  dosing.
 Till  now  I  am  using  separate  stock  solution  for  all  three.
 
 Now  I  am  thinking  to  making  a  single  solution  of  all  three  macros  in  a  single  solution,  it  will  simply  make  dosing  easier.
 I  want  to  use  KCL  in  place  of  K2so4,  because  of  following  reasons;
 
 Higher  percentage  of  K  :  K2so4  has  44.87%  of  K  whereas  KCL  has  68.81%  of  K,  so  for  a  lower  amount  of  salt  I  will  get  higher  %  of  K.
 
 Solubility:  K2so4  has  a  solubility  of  120  gm  /lit,  in  practice  I  find  it  hard  to  dissolve  even  90  gms  of  K2so4,  on  the  other  hand  KCl  has  a  much  higher  solubility  around   360  gm/lit,  so  I  can  make  a  much  concentrated  solution.
 
 To  sum  up  If  I  dissolve  50gm  of  K2so4  in  500  ml  of  water  one  solution  and  50  gm  KCl  in  another  and  dose   25  of  the  stock  solutions  in  my  45  g  tank.
 First  one  will  raise  ppm  by  6.5  while  KCl  will  rise  it  by  10  ppm,  that  is  a  diff  of  54%.
 
 There  are  some  commercial  brand  which  are  using  KCl  for  K  fertilization.
 Flourish  (Comprehensive)  by  Seachem  both  use  KCL.
 (edited  to  remove  ADA  brighty  K,  which  uses  KCO#3)
 
 It  is  further  interesting  that  Seachem  uses  K2so4  for  Flourish  Potassium  but  use  KCL  in  Flourish.
 
 Has  anyone  here  used  KCL  instead  of  K2so4,  any  experiences,  downfalls  etc.  before  I  switch  to  KCL.


Last edited by sandeepraghuvanshi on Wed Jul 18, 2012 12:08 pm; edited 1 time in total
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josyjames
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PostPosted: Tue Jul 17, 2012 5:59 pm Post subject: Re: KCL Vs K2So4 Reply with quote

 Hi  Sandeep,
 
 I  had  used  KCL  when  my  dosing  method  was  PMDD.  Calculated  the  dosage  according  to  the  Chuck's  Planted  Aquarium  Calculator.  and  I  didnt  have  any  issues  in  dosing  KCL.
 
 These  are  the  times  when  using  KCL  along  with  KNO3  and  KH2PO4.
 
 After  4  months
 https://picasaweb.google.com/shellydsilva/After4Months?authuser=0&feat=directlink
 After  3  months
 https://picasaweb.google.com/shellydsilva/After3Months?authuser=0&feat=directlink
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govindsj
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PostPosted: Tue Jul 17, 2012 7:30 pm Post subject: Re: KCL Vs K2So4 Reply with quote

 @Sandeep  Raghuvanshi  ,
                                                                  I  am  hoping  KCL  is  available  in  Lab  grade  and  is  it  from  Merck?
 
 Regards
 govindsj
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sathy83
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PostPosted: Tue Jul 17, 2012 10:31 pm Post subject: Re: KCL Vs K2So4 Reply with quote

 I  have  not  used  KCL  till  now.  But  after  your  question..  I  googled  about  it  quickly  and  found  that  it  acts  as  a  water  softener  and  not  many  negative  feedback  as  well.
 
 Your  water  is  already  hard,  which  means  even  better.  You  can  reduce  the  RO  water  percentage  Very Happy  
 
   Confused   Let  me  give  it  a  try
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sandeepraghuvanshi
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PostPosted: Wed Jul 18, 2012 11:18 am Post subject: Re: KCL Vs K2So4 Reply with quote

                                                   
josyjames  wrote  (View  Post):                
Hi  Sandeep,
 
 I  had  used  KCL  when  my  dosing  method  was  PMDD.  Calculated  the  dosage  according  to  the  Chuck's  Planted  Aquarium  Calculator.  and  I  didnt  have  any  issues  in  dosing  KCL.
 
 These  are  the  times  when  using  KCL  along  with  KNO3  and  KH2PO4.
 
 After  4  months
 https://picasaweb.google.com/shellydsilva/After4Months?authuser=0&feat=directlink
 After  3  months
 https://picasaweb.google.com/shellydsilva/After3Months?authuser=0&feat=directlink                

 
 Thanks,  maybe  I  will  go  for  it  after  my  bottle  of  K2so4  becomes  empty.
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sandeepraghuvanshi
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PostPosted: Wed Jul 18, 2012 11:20 am Post subject: Re: KCL Vs K2So4 Reply with quote

                                                   
govindsj  wrote  (View  Post):                
@Sandeep  Raghuvanshi  ,
                                                                  I  am  hoping  KCL  is  available  in  Lab  grade  and  is  it  from  Merck?
 
 Regards
 govindsj                

 
 It  should  be,  I  am  not  sure,  will  have  to  check  it  out.
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Madan
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PostPosted: Wed Jul 18, 2012 11:40 am Post subject: Re: KCL Vs K2So4 Reply with quote

 I'll  check  out  the  price  difference  between  KCl  and  K2SO4  this  weekend  and  post  !
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sandeepraghuvanshi
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PostPosted: Wed Jul 18, 2012 12:09 pm Post subject: Re: KCL Vs K2So4 Reply with quote

                                                   
Madan  wrote  (View  Post):                
I'll  check  out  the  price  difference  between  KCl  and  K2SO4  this  weekend  and  post  !                
.
 Thanks,  my  nearest  chemical  shop  is  100  km  away  in  Agra.  Very Happy
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sathy83
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PostPosted: Wed Jul 18, 2012 2:27 pm Post subject: Re: KCL Vs K2So4 Reply with quote

 I  checked  right  now  from  a  local  chemical  shop.  KCL  seems  to  be  cheaper  than  K2SO4  :-)
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elimoses3
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PostPosted: Wed Jul 18, 2012 2:28 pm Post subject: Re: KCL Vs K2So4 Reply with quote

                                                   
sandeepraghuvanshi  wrote  (View  Post):                
                                                 
Madan  wrote  (View  Post):                
I'll  check  out  the  price  difference  between  KCl  and  K2SO4  this  weekend  and  post  !                
.
 Thanks,  my  nearest  chemical  shop  is  100  km  away  in  Agra.  Very Happy                

 
 Hi  sandeep  ,
                                 Could  you  tell  me  the  address  of  the  shop  you  are  refering  to   I  might  need  to  pay  a  visit.   Thumb Up
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sandeepraghuvanshi
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PostPosted: Wed Jul 18, 2012 3:10 pm Post subject: Re: KCL Vs K2So4 Reply with quote

                                                   
elimoses3  wrote  (View  Post):                
                                                 
sandeepraghuvanshi  wrote  (View  Post):                
                                                 
Madan  wrote  (View  Post):                
I'll  check  out  the  price  difference  between  KCl  and  K2SO4  this  weekend  and  post  !                
.
 Thanks,  my  nearest  chemical  shop  is  100  km  away  in  Agra.  Very Happy                

 
 Hi  sandeep  ,
                                 Could  you  tell  me  the  address  of  the  shop  you  are  refering  to   I  might  need  to  pay  a  visit.   Thumb Up                

 
 I  haven't  visited  a  shop  in   agra  yet.  Very Happy   Very Happy  
 All  my  purchases  till  now  have  been  from  Lucknow.
 
 I  was  hoping  you  could  get  me  the  address.  Very Happy
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elimoses3
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PostPosted: Sat Jul 28, 2012 6:56 pm Post subject: Re: KCL Vs K2So4 Reply with quote

                                                   
sandeepraghuvanshi  wrote  (View  Post):                
                                                 
elimoses3  wrote  (View  Post):                
                                                 
sandeepraghuvanshi  wrote  (View  Post):                
                                                 
Madan  wrote  (View  Post):                
I'll  check  out  the  price  difference  between  KCl  and  K2SO4  this  weekend  and  post  !                
.
 Thanks,  my  nearest  chemical  shop  is  100  km  away  in  Agra.  Very Happy                

 
 Hi  sandeep  ,
                                 Could  you  tell  me  the  address  of  the  shop  you  are  refering  to   I  might  need  to  pay  a  visit.   Thumb Up                

 
 I  haven't  visited  a  shop  in   agra  yet.  Very Happy   Very Happy  
 All  my  purchases  till  now  have  been  from  Lucknow.
 
 I  was  hoping  you  could  get  me  the  address.  Very Happy                

 
 Just  beside  St  Johns  college  a  very  famous  landmark  there  is  a  laboratory  supply  store  which  has  got  Merck  branded  chemicals  available  .  I  havent  visited  it  yet  but  it  has  got  all  the  necessayr  chemicals.
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PostPosted: Sat Jul 28, 2012 6:58 pm Post subject: Re: KCL Vs K2So4 Reply with quote

 So  what  is  the  final  verdict  is  KCl  safe  to  use?
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superbsite
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PostPosted: Wed Aug 01, 2012 12:54 pm Post subject: Re: KCL Vs K2So4 Reply with quote

 Chemistry  arrrg...youre  chasing  me  again   ROFL  
 
 I've  not  googled  but  is  the  Cl  =  Calcium
 
 Calcium  in  the  form  of  white  traces  is  usually  seen  on  the  sides  of  the  tank  at  the  top
 So  if  you  dose  KCl.  What  limit  levels  of  calcium  would  be  going  in  and  what  should  be  maintained  ?
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sandeepraghuvanshi
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PostPosted: Wed Aug 01, 2012 12:58 pm Post subject: Re: KCL Vs K2So4 Reply with quote

                                                   
superbsite  wrote  (View  Post):                
Chemistry  arrrg...youre  chasing  me  again   ROFL  
 
 I've  not  googled  but  is  the  Cl  =  Calcium
 
 Calcium  in  the  form  of  white  traces  is  usually  seen  on  the  sides  of  the  tank  at  the  top
 So  if  you  dose  KCl.  What  limit  levels  of  calcium  would  be  going  in  and  what  should  be  maintained  ?                

 
 "Cl"  is  cholrine,  Calcium  is  "Ca".
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