Mould on glass of terrarium

elisabeeeJune 13, 2013

Hi there
Have a terrarium with a fern, would be about 2 months old & have noticed spots of mould on the glass.
Has anyone else had this problem?
The walls are covered in condensation even though I air it out at least once a week.

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i have mould in the soil sometimes just wipe it off with a clorox wipe then that with a paper towel and it should b ok

    Bookmark   June 15, 2013 at 10:23AM
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If the opening of your terrarium is narrow you may need to let it air out more frequently than once a week. I also see that you have a layer of sphagnum moss over the soil - this may contribute to trapping more moisture in the terrarium than is desirable. I would suggest removing it.

Check out The Fern and Mossery for more tips on how to make and maintain terrariums.

Here is a link that might be useful: The Fern and Mossery

    Bookmark   June 20, 2013 at 7:22PM
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paul_(z5 MI)

Lack of decent air circulation is most likely your issue. Stagnant air and moist conditions makes a perfect environment for many molds.

    Bookmark   July 2, 2013 at 11:10AM
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