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How long is the waiting period for contamination?

This is a discussion on How long is the waiting period for contamination? within the Flasking Equipment & Technique forums, part of the Orchid Propagation category; The carbon source is from organic compounds in the media, not carbon as a separate ...

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  1. #11
    orchidlady's Avatar
    orchidlady is online now Senior Member
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    The carbon source is from organic compounds in the media, not carbon as a separate ingredient. You are most likely fine.


  2. #12
    plucker is offline Member
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    A special note on flasking orchids.
    Due to the need for a filtered air vent on flasks to allow exchange of gasses, a reliable air filter medium is needed. Non absorbant cotton wool allows gas exchange but does not absorb moisture.

  3. #13
    John D. is offline Member
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    Yes I should have used the words carbon compounds (sugars) not elemental carbon.

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