Co2 yeast recipe

Discussion in 'Anything DIY related' started by gdt78, Jul 26, 2011.

  1. gdt78

    gdt78

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    Hi, I want to build a co2 yeast reactor but cant find baking soda in the supermarket ?

    I even saw a simalar recipe on @Slojo's website, also mentioning baking soda.

    Where can I find this ingredient ?

    I believe baking soda is not the same as baking powder or bicarbonate of soda.

    Any assistance would be great in telling me where can I locate baking soda.

    Regards,

    GDT
     
    Last edited by a moderator: Oct 2, 2016
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  3. Jenn

    Jenn Retired Moderator

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    Baking soda is the same as bicarbonate of soda (sodium bicarbonate)
     
  4. OP
    gdt78

    gdt78

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    Thank you so much @Jenn.

    I have been arguing with my wife cause she say it is not the same.

    Now I should be able to manage further.

    Thanks once again !
     
    Last edited by a moderator: Oct 2, 2016
  5. TomK

    TomK

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    That is different, not the same thing.

    Jenn is right.
     
  6. OP
    gdt78

    gdt78

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    OK, I'm lost.
     
  7. TomK

    TomK

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    Baking soda is the same as bicarbonate of soda, but not the same as baking powder.
     
  8. OP
    gdt78

    gdt78

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    Thanks Tom, I got it now.
     
  9. Anine

    Anine

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    baking powder is usually a mixture of baking soda (sodium bicarbonate), some form of acid salt and a powdered starch such as corn or potato starch.

    baking soda is just plain old sodium bicarbonate with no additives.

    google diy co2 recipe. but it seems the consensus on the planted tank forums is:
    a little under 1/2 cup sugar
    1/8 teaspoon yeast (activator)
    3/4 teaspoon baking soda (stabilizer)
    2 cups water
     
  10. Slojo

    Slojo

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    1,2 litre water
    one cup sugar
    one packet dry yeast
    one teaspoon bicarbonate of soda

    use a 2 litre bottle
    Should last between one to two weeks
     
  11. OP
    gdt78

    gdt78

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    Many Thanks @Slojo

    It seems to be working very well.
     
    Last edited by a moderator: Oct 2, 2016
  12. Rudi

    Rudi

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    Just a thought,I'm puzzled why you guys in Jozi needs the bi-carb with the yeast/sugar mix.Surely your tap water's Ph is high and stable enough?
     
  13. OP
    gdt78

    gdt78

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    Do you mean you have a different recipe ?
     
  14. Rudi

    Rudi

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    All the yeast/sugar recipes are more or less the same.Some use more sugar and less yeast and others less sugar and more yeast.Some people add some vitamins or orange juice to the mix.I've done this and it worked great,well,at least it smelled better.

    The bi-carb is used to "stabilise" the mixture when tap water with a low ph or tap water with low gh/kh are used.During the fermentation proses the mix will acidify gradually,which in turn starts to kill the yeast bacteria.If your tap water is acidic or prone to get more acidic,the mix won't last very long.

    Some advice,never wait for the yeast/sugar to completely run out.I.e.,don't wait for the Co2 to stop bubbling before you replace the mixture.Get into the habit to start a new mix every week.You want stable Co2 production.Don't let the bottles get cold,this will stop the fermentation proses and kill the yeast.
     
    Last edited: Jul 27, 2011
  15. OP
    gdt78

    gdt78

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    Thanks for the advice @Rudi.

    I were thinking of upgrading the setup by adding a 2nd & 3rd 2 liter bottle at the same time.

    I recon this will increase the bubbles by three fold.
     
    Last edited by a moderator: Oct 2, 2016
  16. Zoom

    Zoom Retired Moderator

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    Ideal temp I believe is between 25-27.... i.e if you place the bottle IN YOUR TANK it will be at optimum temp and remain constant.
     

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