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Thread: Need Agar Recipe for School Science Project

  1. #1
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    Default Need Agar Recipe for School Science Project

    I know all my homeschooling Ttapp friends can help me!

    My DD needs to grow bacteria for a school project. Her science teacher said you can make agar by combining gelatin, water and beef bullion. He said 2 packages gelatin, 1/2 amount of water, and 5 beef bullion cubes. Is this right? I know my fellow tappers will know!!! We got the petri dishes from him, so I don't have to send away for them.

    THANKS!!

    Cindy





    Cindy

    To paraphrase Dory from \"Finding Nemo\" - \"Just keep tapping, just keep tapping. What do we do? We tapp, tapp, tapp . . .\" [] []

  2. #2
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    Agar agar is from a sea vegetable, so you can't "make" it, although it should be available at your local HFS. I assume he's suggesting a recipe for a substitute? I have no idea whether or not it would work, but it seems weird to introduce another substance such as boullion. Sorry I'm not more help!

    -Moyne

    "She is too fond of books, and it has addled her brain." -Louisa May Alcott






  3. #3
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    Yeah, this is a substite recipe for those who don't have agar/agar powder lying around...

    http://www.newton.dep.anl.gov/askasc.../mole00472.htm

    [u]Lori</u>






  4. #4
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    Thank you so much, Lori!! I knew I could count on a fellow tapper!!!






  5. #5
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    [u]Lori</u>






  6. #6
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    That's interesting! I always thought you were supposed to spit in it, to provide the bacteria. (Or, at least that's what they have you do in the book we have, that came with agar agar packets.) That's what makes the experiment FUN! LOL

    -Moyne

    "She is too fond of books, and it has addled her brain." -Louisa May Alcott






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