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http://indianaquariumhobbyist.com/community/ :: View topic - How to jump start your planted aquarium Part 1.
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How to jump start your planted aquarium Part 1.
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trevor
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PostPosted: Sun Nov 26, 2006 10:24 am Post subject: How to jump start your planted aquarium Part 1. Reply with quote

 Co2  in  Fire  extinguisher  cylinders  -  Your  safest  bet.  For  the  Indian  planted  aquarist.  All  you  wanted  to  know.
 
 The  cylinders.
   
 
 A  carbon  dioxide  cylinder  is  made  of  Manganese  steel.  It  has  a  seamless  robust  design.  It  will  or  should  resist  corrosion  and  withstand  high  pressure.  A  test  pressure  of  250  kgf/cm2  is  used  to  test  the  cylinder.  
 The  fire  extinguisher  cylinder  will  be  painted  red.  The  horn  and  bend  is  not  needed  when  this  cylinder  is  used  for  our  planted  tank  application.
 
 
 The  master  shut  off  valve.
 
   
 The  master  shut  off  valve  is  the  wheel  valve  on  the  top  of  the  cylinder  and  has  to  be  turned  in  the  anti  clockwise  direction  to  open.  The  wheel  valve  has  to  be  opened  full  in  order  to  make  the  regulator  perform  effectively  when  used  in  a  planted  tank.  Only  when  this  valve  is  opened  full  will  the  regulator  become  stable  and  there  will  be  no  leakage.  On  a  cylinder  used  for  gas  welding  or  for  making  beverages  you  will  have  to  use  an  Allen  key.  The  open  and  shut  operation  will  remain  the  same.
 
 The  regulator  and  the  
 gauges.

 
   
 This  above  is  a  single  stage  with  two  gauges.  The  gauge  on  the  left  shows  the  pressure  inside  the  cylinder.  The  one  the  right  gives  you  the  pressure  on  your  line.  These  gauges  have  been  with  me  for  about  eight  years  without  any  problem.   
 There  are  two  types  of  regulators  in  the  market.  A  single  stage  and  a  two  stage  or  double  stage  regulator.  A  two-stage  regulator  will  cost  you  double  and  prevent  the  end  of  cylinder  gas  phenomena  called  dumping.  This  happens  when  90%  of  the  gas  is  exhausted.  When  it  nears  empty  the  pressure  starts  to  drop  rapidly  and  the  regulator  becomes  unstable.
 The  regulator  comes  with  one  or  two  gauges.  Some  come  with  protective  rubber  caps  on  the  gauges.
 
 The  pressure.  
 
 The  normal  operating  pressure  of  the  cylinder  will  be  around  60  kgf/cm2.
   So  when  you  get  your  cylinder  after  refilling  it  at  the  local  industrial  gas  agency  it  should  show  the  same  on  your  regulator  gauge.  
 To  convert  kgf  /cm2  into  psi  multiply  by  14.2234.
 
 The  diffusion.
 The  pressure  on  your  outlet  line  from  the  regulator  going  to  your  diffuser  or  reactor  should  be  between  1  to  2kgf/cm2.  This  action  of  diffusing  is  the  process  whereby  particles  of  carbon  dioxide  gas  intermingle  as  a  result  of  the  spontaneous  movement  caused  by  agitation.  It  dissolves  in  water  to  form  carbonic  acid.
 The  dissolved  gas  moves  from  a  region  of  higher  to  a  one  of  lower  concentration.  
 
 The  gas.
 Carbon  dioxide  is  a  heavy  colorless  gas  that  does  not  support  combustion.  It  is  formed  by  the  combustion  and  decomposition  of  organic  matter.  Plants  absorb  it  during  photosynthesis.  It  leaves  no  permanent  residue  in  an  aquarium.
 
 The  capacity.
 Fire  extinguishers  are  your  best  bet  when  you  buy  a  new  cylinder  for  your  planted  aquarium.
 Indian  fire  extinguishers  mostly  come  in  capacity  of  2kg,  3kg,  4.5kg,  6.5kg,  9kg,  and  22.5  kg.  Approximate  weight  of  the  empty  cylinder  will  be  6.2  kg,  9.4kg,  12kg,  17kg,  22kg,  and  44kg  in  the  same  order.  Adding  both  will  get  you  the  total  weight  of  a  filled  cylinder.
 
 The  standards.
 Indian  cylinders  have  to  be  CCE  (chief  controller  of  explosives)  approved.
 They  also  have  to  confirm  to  BIS:  2878.
 You  will  get  a  lot  of  unbranded  cylinders  in  the  market  for  a  cheaper  price  and  the  salesman  will  try  to  convince  you  that  its  just  the  same.  
 It  may  look  the  same  and  you  may  make  a  costly  mistake  if  you  fall  for  it  just  to  save  a  few  rupees.
 
 The  refilling.
 
 
 
 Here  are  photographs  of  the  Co2  refilling  operation  carried  out  in  some  shady  joint.  Many  of  our  planted  aquarists  do  not  know  where  their  cylinders  are  getting  filled.  Cheers  Drinking  Hope  no  one  has  a  quick  departure.The  bigger  cylinder  is  used  to  fill.   The  cylinder  to  be  filled  is  kept  in  the  flat  horizontal  position  on  a  weighing  scale.  When  the  required  weight  is  reached  the  valve  on  the  bigger  cylinder  is  first  shut  off.  
 
 To  be  continued.  Smile  
 
 Trevor  Menezes
 Hon.  Secretary
 The  Aquarist  society  of  Karnataka.


Last edited by trevor on Wed Aug 06, 2008 1:20 pm; edited 3 times in total
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ravi
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PostPosted: Sun Nov 26, 2006 11:19 am Post subject: Re: How to jump start your planted aquarium Part 1. Reply with quote

 Hi  Trevor,
 
 Excellent  article  !
 
 Recently,  my  9  kgs  co2  cylinder  was  recharged  by  this  "shady"  method.  Unfortunately,  only  1  to  2  kgs  was  recharged  instead  of  9  kgs.  But  they  charged  me  for  9  Kgs  !
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Maxv
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PostPosted: Sun Nov 26, 2006 11:44 am Post subject: Re: How to jump start your planted aquarium Part 1. Reply with quote

 Hi  Trevor,
 
 I  want  to  ask  a  dumb  question,  if  we  have  a  soda  maker  at  home,  why  not  add  a  glass  of  soda  water  to  planted  tank  just  before  lights  on,  will  it  have  any  effect?  Has  anyone  tried  this  approach?
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harshal
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PostPosted: Sun Nov 26, 2006 12:34 pm Post subject: Re: How to jump start your planted aquarium Part 1. Reply with quote

 Hi  trevor!
 
      I  need  help  with  a  problem  I  have  faced  and  not  resolved  for  a  while  now.  I  want  to  use  1  cylinder  to  power  2  tanks,  I  tried  doing  this  with  a  "T"  and  seperate  needle  valves  for  both  the  cylinders  but  was  not  sucessful  in  maintaining  the  bubble  rate  to  what  I  desired  in  both  the  tanks.
 
    Just  to  let  you  know  the  situation  with  both  the  tanks.  One  is  a  275lt  and  the  other  is  75lts.Both  the  tanks  are  not  at  the  same  level,  the  75lt  tank  is  kept  at  a  lower  level.  Its  about  18inches  lower.  Am  using  a  7kg  cylinder.  Using  a  reactor  in  the  big  tank  and  want  to  use  a  diffuser  in  the  small.  If  you  could  please  help  me  out  with  how  to  go  about  setting  it  up  it  would  be  very  helpful,  will  appritiate  any  guidance  from  you.
 
   Thanks  a  lot!
 
    Regards
       Harshal.
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vraghu
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PostPosted: Sun Nov 26, 2006 3:27 pm Post subject: Re: How to jump start your planted aquarium Part 1. Reply with quote

 Hello  Harshal  ,
 
 I  was  also  using  a  9kg  Cylinder  earlier  ,  and  iam  supplying  CO2  to  2  seperate  Tanks  ,  i  used  Pneumatic  T  Connector  ,  Needle  Valve  ,  and  Bubble  Counter  then  lastly  the  CO2  Reactor  ..   All  supplied  by  Rufus  ,  and  it  works  Exellent  without  any  problems..  
 
 Its  like  this  for  2   Tank  Setup  :
 
 CO2  Regulator  ---->  Needle  Valve  fitted  with  a  Pneumatic  Connector  on  the  outlet  of  the  Regulator  ,  then  leave  the  CO2  Tube  for   the  length  halfway  between  2  Tanks   ====>  Then  another  Pneumatic  T  Connector  ,  from  here  it  goes  to  the  Tank  1  &  Tank  2  ,  ====>  then  a   Needle  Valve  ===>  Bubble  Counter   ======>  and  lastly  to  the  CO2  Reactor,  same  applies  for  the  second  Tank.
 
 Hope  this  helps.
 
 Regds
 RaghuV.
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trevor
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PostPosted: Sun Nov 26, 2006 9:04 pm Post subject: Re: How to jump start your planted aquarium Part 1. Reply with quote

 
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nytyn
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PostPosted: Sun Nov 26, 2006 11:26 pm Post subject: Re: How to jump start your planted aquarium Part 1. Reply with quote

 Maxv,  the  method  you  have  mentioned  doesnt  really  work  as  well  as  the  cylinder  thing.  Its  very  harsh  on  the  plants  and  fishes,  as  it  plays  havoc  with  the  pH  of  the  water.  If  you  could  add  a  glass  of  carbonated  water  in  30  minute  gaps,  for  the  entire  photo  period,  it  might  work!  but  I  am  sure  you  have  better  things  to  do.
 
 Huge  pH  swings  arent  good  for  fishes,  and  plants.
 
 Save  the  soda  for  the  whisky,  buddy!   Drinking
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venket
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PostPosted: Mon Nov 27, 2006 10:44 am Post subject: Re: How to jump start your planted aquarium Part 1. Reply with quote

 Awesome  work  Trevor.  Keep  this  going.  No  wonder  you  were  online  most  of  the  time  on  sunday.
 
 
 Venket
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suuresh1
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PostPosted: Mon Nov 27, 2006 10:53 am Post subject: Re: How to jump start your planted aquarium Part 1. Reply with quote

 Hi  Harshal,
 I  too  have  a  7  Kg  cylinder  running  two  tanks.  But  I  dont  have  the  problem  you  mention.  
 I  did  see  some  new  cylinders  at  Rufus's  place  they  come  with  ISI  marks  &  all  sorts  of  certificates  guaranteeing  the  product.
 
 Suuresh
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venki25
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PostPosted: Mon Nov 27, 2006 11:18 am Post subject: Re: How to jump start your planted aquarium Part 1. Reply with quote

 trevor
 
 great  work.  THis  thread  needs  to  be  sticky.  Had  this  post  was  up  three  weeks  earlier,  i  could  have  handled  my  "eagle"  regulator  easliy  and  saved  the  guages.
 
 Now  both  the  guages  are  not  working,  but  co2  is  comfortably  diffusing.
 
 thanks  again  for  your  inputs
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vinven
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PostPosted: Mon Nov 27, 2006 12:32 pm Post subject: Re: How to jump start your planted aquarium Part 1. Reply with quote

 Wow...Great  article  Smile  Looking  forward  to  Part  2.I  need  to  go  to  that  shady  place  now  to  fill  my  cylinder   Sad
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gokulin
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PostPosted: Mon Nov 27, 2006 12:41 pm Post subject: Re: How to jump start your planted aquarium Part 1. Reply with quote

 Trevor,
 
 Can  you  provide  the  approx.  cost  of  the  cylinders  (may  be  on  capacity  basis),   of  the  gadgets  and  proper  sources  to  buy  them?
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harshal
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PostPosted: Mon Nov 27, 2006 1:07 pm Post subject: Re: How to jump start your planted aquarium Part 1. Reply with quote

 hi
 
      Thanks  trevor,  raghu  and  suuresh  for  the  info.  Unfortunately  have  done  the  set  up  in  the  same  way  but  not  able  to  control  the  bubble  count  to  desired  levels  in  both  tanks.  I  am  guessing  that  tanks  being  at  diffrent  levels  dose  not  matter,  is  this  true??  Also  wanted  to  add  that  the  co2  cylinder  is  placed  higher  than  the  smaller  tank.  Will  be  looking  forward  to  your  suggestions.
 
    Thanks
    Regards
       HArshal.
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suuresh1
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PostPosted: Mon Nov 27, 2006 2:19 pm Post subject: Re: How to jump start your planted aquarium Part 1. Reply with quote

 Hi  Harshall,
 Come  on  over  &  see  what  I've  done.  I've  3  needle  valves.  One  at  the  cylinder  output  &  one  each  at  each  tank.  The  most  important  valve  is  on  the  cylinder  itself....this  one  has  to  be  completely  opened....  not  half.....not  quarter.  You  then  rough  control  the  output  preassure  with  the  T  -  tap  on  the  regulator,  ideally  the  indicator  on  the  dial  away  from  the  cylinder  should  be  in  the  blue  area  marked  "welding"  .  You  then  further  regulate  the  pressure  with  the  first  needle  valve  &  fine  tune  the  preassure  with  the  individual  valves.  hope  this  helps  you.
 
 suuresh
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PostPosted: Mon Nov 27, 2006 3:22 pm Post subject: Re: How to jump start your planted aquarium Part 1. Reply with quote

 great  work  trevor,
 
 Helps  a  newbie  a  lot.
 
 
 
 Raghu
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