New DIY CO2 Method citric acid

Discussion in 'D.I.Y.' started by Algae wizard, Dec 3, 2012.

  1. tyronegenade
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    tyronegenade Specialist

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    Exactly what was shown on the Ebay link. About $22. What customs will slap on top of this I don't know...

    Luis, post some pics of your DIY systems so we can all see how its done.
     
  2. Teal
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    Teal Algae harvester

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    Why cant we use welding bottle regulators for our aquariums? I saw them on the weldcut website you posted.
     
  3. Joshua Tree
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    Joshua Tree Valued Contributor

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    Surely these disposable bottles are going to cost a lot more in the long run? At R255 per bottle as per approximately R1300 for a normal pressurised setup? Am I missing something here?
     
  4. JP01
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    JP01 Moderator Staff Member

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    Re: Re: New DIY CO2 Method citric acid

    Give them a call and ask first what those regs cost, we use them at work and they are expensive!

    To refill a 2kg cost me now R27, so it is much cheaper, you just need to look past the initial setup cost.
     
  5. Luis Embalo
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    Luis Embalo Valued Contributor

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    The regs cost £15.. I posted it with the ebay links.. and just bought two more to bring with me to cape town. The bottles are locally R255.. and maybe you can even find cheaper, just look for them.

    Will take a picture of the current setup I have..
     
  6. shan
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    shan Algae harvester

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    i called a few guys this morning for regs for these disposable bottles. Nobody seems to have regs for them because they apparently fit directly into the mig welder thingie (i know nothing about welding)

    only one person stated that they will try and source one, i.e. Tooltec - spoke to a guy called Standton. Lets hope he comes back to me and i will post the results here.
     
  7. Luis Embalo
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    Luis Embalo Valued Contributor

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    Buy them on ebay... at £15 each.. posting is not more than £10, so £25 for a reg max..
     
  8. CharlieB
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    CharlieB Algae harvester

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    Re: Re: New DIY CO2 Method citric acid

    I buy lots from e bay and hardly pay costums. I seriously doubt you ll pay anything on this. Should be a direct pick up from the post office ;). I am also missing something cause I don't understand how 255 rand every time you need to replace the non reusable bottle is cheap. The regs are cheap though. I'm defiantly splashing out soon and getting a full setup.....too save in the long run of course:p well saying that makes me feel better about spending the cash at least haha.
     
  9. Luis Embalo
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    Luis Embalo Valued Contributor

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    You would be using the 500 gram bottle for a nano, right? It should last you months..

    For anything but a nano the best is the over 2kg..
    :) even a 45kg Boc bottle is a good value to use on multiple tanks..

    I don't have to convince anyone, irrelevant to me what you use, just sharing my experience.. :)

    How much would the tropica bottles cost? Surely more than R255, even the jbl bottles cost more..
     
  10. CharlieB
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    CharlieB Algae harvester

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    Re: Re: New DIY CO2 Method citric acid

    Ok now I see haha.didn't think it would last that long. So used to every one talking about 2 and 5 kg bottles. Thanks for explaining and the advice. Great to know all options available!
     
  11. JP01
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    JP01 Moderator Staff Member

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  12. Luis Embalo
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    Luis Embalo Valued Contributor

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  13. TheGrissom
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    TheGrissom Green fingers

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    I think my needle valve for the DIY method is broken (or Im just too impatient). How long did it take to get into the green after the citric acid and sodium bicarb mix? I am waiting about a minute or 2 and the needle isnt moving at all. On saturday I plan to take it outside and shake it up and leave it closed to see if anything happens.
     
  14. karele
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    karele Algae harvester

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  15. CharlieB
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    CharlieB Algae harvester

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    Squeeze bottle A so solution goes into bottle B and wait a few seconds. Repeat this till bottle A is hard to squeeze. Once A is hard to squeeze open the needle valve till some solution from A goes into B. As it starts reacting close the needle valve to allow the gas to build up in the bottles. Repeat this now till you get your required pressure. Basically like the video. Hope this helps.
     
  16. TheGrissom
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    TheGrissom Green fingers

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    Thats what I am doing but the needle doesnt move. Maybe it is broken
     
  17. karele
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    karele Algae harvester

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    Darn i am in gauteng would have brought mine through for you test
     
  18. CharlieB
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    CharlieB Algae harvester

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    Are you using vinegar or citric acid?
     
  19. TheGrissom
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    TheGrissom Green fingers

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    I am using citric acid.
     
  20. tyronegenade
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    tyronegenade Specialist

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    I had the same trouble first time I did. I also thought the meter was broken but since then I'm getting more adept. You really have to follow the instructions to the letter. Squeeze, wait, let gas out got 5 seconds and then squeeze again... I had to do this about 8 times before the pressure began to climb but once it did it climbed fast.

    In general though, I am able to run the setup and have a constant bubble rate by getting the needle up only 1 or 2 ticks on the meter. The system works pretty well IMO.

    Luis, as the pressurized CO2 aficionado, do you know if it is possible to get regulators for the SodaStream gas bottles? They are easy to get refilled.
     

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