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http://indianaquariumhobbyist.com/community/ :: View topic - DIY- A primitive automated fertilizer doser
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DIY- A primitive automated fertilizer doser

 
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saikumar
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PostPosted: Sat Sep 10, 2011 4:48 pm Post subject: DIY- A primitive automated fertilizer doser Reply with quote

 OK!
 
 Here  you  go...
 Been  using  it  on  the  nano,  on  bigger  will  be  using  the  syringe  make  posted  here,  which  still  is  waiting  for  few  NRVs
 
                                                 
saikumar  wrote  (View  Post):                
Hey  Ruchit,  here  you  go...
 
 Changed  the  frame  to  aluminum  ¬†Very Happy  looks  better  and  stiffer.
 No  NRV  at  home,  nor  any  near  shop  in  this  remote  place,  so  might  update  next  week  with  complete  action.
 
 
 Its  a  30/45  RPM  motor,  but  I  have  timer  that  goes  in  seconds,  so  should  be  fine  to  control.
             
Link

 
 
 Suction  works
             
Link

 
 Cheers!!                

 Also  I  can  use  much  bigger  container.
 Meaning  much  lazier  life  Very Happy  
 
 STill,  the  below  one  is  the  older  and  simpler  one  for  me.
 Let  me  know  what  you  think,  and  hope  to  see  lot  more  people  easing  up  their  times  and  worries,  atleast  on  your  nanos.
 
 Critiques  most  welcome  Thumb Up  
 Could  have  added  few  NRVs  to  decrease  some  error,  but  holds  good  for  now.
 
 
 Needed  stuff-
 
 1.  1/1.5/2liter  plastic  soda  bottle.
 
 2.  Air  pump
 
 3.  Air  valve/controller
 
 4.  Apx  2-3m  of  air  line  tubing.
 
 5.  Pincer/sharp  knife  to  make  TWO  holes  through  the  bottle  cap
 
 6.  Two  "L"  bend  pipe  joiners.
 
 7.  Two  gripper/suction  cups  for  holding  on  to  the  glass.
 
 8.  Fertilizer
 
 9.  Timer(  DIY  or  Frontier  etc..)
 
 
 
 Giving  you  the  part  by  part  pictures
 
 
 Controller  &  suction  cups
 
 
 
 
 "L"  bend  and  ¬†plastic  cap  module
 Inner  view
 
 
 Outer  view
 
 
 
 
 Pipe  connections,  green  bend  goes  into  the  bottle  through  cap  to  aquarium
 Red  bend  for  the  air  inlet  from  air-pump

 
 
 
 
 Bottle  and  tube  connections
 
 
 
 
 Total  thing
 
 
 
 Positioning
 
 
 
 
 
 
 The  working  video
             
Link

 
 
 Cheers  pEOple!!


Last edited by saikumar on Sun Sep 11, 2011 11:03 am; edited 1 time in total
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ashwin1224
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PostPosted: Sat Sep 10, 2011 5:12 pm Post subject: Re: DIY- A primitive automated fertilizer doser Reply with quote

 Thumb Up  
 Cool!
 
 How  do  you  calculate  the  time  the  pump  has  to  run  to  dose  a  particular  amount  of  fertilizer?
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bettaji
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PostPosted: Sat Sep 10, 2011 11:13 pm Post subject: Re: DIY- A primitive automated fertilizer doser Reply with quote

 Brilliant  thinking  Smile  Simple  and  effective  good  one  Sai  !!!
 
 @Ashwin  that  would  simple  calibration  i  guess   Eyebrow  do  a  trial  run  and  not  the  volume  based  on  the  time  it  was  run  for...
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ruchit
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PostPosted: Sun Sep 11, 2011 6:39 am Post subject: Re: DIY- A primitive automated fertilizer doser Reply with quote

 Really  a  different  idea  Saikumar.  Thanks  for  sharing   Smile  will  make  one  for  my  nano  too.
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saikumar
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PostPosted: Sun Sep 11, 2011 10:25 am Post subject: Re: DIY- A primitive automated fertilizer doser Reply with quote

                                                   
ashwin1224  wrote  (View  Post):                
Thumb Up  
 Cool!
 
 How  do  you  calculate  the  time  the  pump  has  to  run  to  dose  a  particular  amount  of  fertilizer?                

 Thanks  man
 
 
                                                 
bettaji  wrote  (View  Post):                

 @Ashwin  that  would  simple  calibration  i  guess  Eyebrow  do  a  trial  run  and  note  the  volume  based  on  the  time  it  was  run  for...
                 

 Yes,  thats  right.
 I  have  a  small  measuring  cup,  should  have  clicked  that.  So  its  like  combinations  of  time  and  valve,  checking  the  ml  of  fertilizer  you  want  in  1minute.
 
 
 
                                                 
bettaji  wrote  (View  Post):                

 Brilliant  thinking  Smile  Simple  and  effective  good  one  Sai  !!!
                 

 Thanks  mate!
 
 
                                                 
ruchit  wrote  (View  Post):                

 Really  a  different  idea  Saikumar.  Thanks  for  sharing  Smile  will  make  one  for  my  nano  too.
                 

 Thanks  mate,  yes  its  give  back  time  for  me  Very Happy  ,  I  am  sure  yours  will  be  much  neater.
 
 
 Cheers  guys!
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ashwin1224
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PostPosted: Sun Sep 11, 2011 10:34 am Post subject: Re: DIY- A primitive automated fertilizer doser Reply with quote

 Even  i  Thought  so   Chuckle  
 
 However  i  would  suggest  you  add  a  check  valve  in  the  air  inlet,  you  cant  really  trust  them  liquids  Innocent
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saikumar
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PostPosted: Sun Sep 11, 2011 11:04 am Post subject: Re: DIY- A primitive automated fertilizer doser Reply with quote

 I  dont  think  that'd  be  a  issue.
 Unless  the  bottle  topples  down,  and  God  bless  there  shouldn't  be  such  earth  quaKes.
 Or  my  tank  overflows  and  water  seeps  into  the  bottle.
 
 But  yes,  having  one  decreases  the  error  level  once  the  bottle  starts  emptying(but  a  pneumatic  one).  Thumb Up  
 
 
 Just  to  give  an  idea  of  how  its  laid.(Added  the  diagram  in  above  post.)
 
 http://indianaquariumhobbyist.com/gallery2/v/User_Galleries/saikumar/DIY+fertilizer+dozer/ferti+positioning.jpg.html
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bettaji
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PostPosted: Sun Sep 11, 2011 11:28 am Post subject: Re: DIY- A primitive automated fertilizer doser Reply with quote

 Probably  using  a  non  return  valve  can  solve  the  problem  of  reverse  flow...  but  the  NR  valve  needs  to  be  in  the  line  through  which  air  is  coming  in
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sushant
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PostPosted: Sun Sep 11, 2011 4:29 pm Post subject: Re: DIY- A primitive automated fertilizer doser Reply with quote

 simple  and  effective  Thumb Up   Thumb Up   Thumb Up   Thumb Up   Thumb Up
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