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Thread: Algae?

  1. #1

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    Algae?

    Hey! There is this green slim growing on the soil of my plants in there terrarium. Does not seem to be harming the plants but it does not look nice..

    Anyone know what it is and how to get ride of it??

    [IMG][/IMG]

    Thanks

  2. #2
    theplantman's Avatar
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    Grab a spoon and scrape it off. It'll only be on the very surface of the soil. Recover with fresh stuff if you need to. It will not harm large plants but is sometimes of concern for small Sarr and Drosera seedlings because it can grow over them. If you fertilize, fertilizing less will stop the algae too.

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    If I scrape it off won't it just grow back? I don't use any fertilizer.

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    It is called slime mold, I believe. It can be difficult for plants to break it and grow out of the soil. I have a pot of Utricularia longifolia covered in half an inch of the stuff, and the leaves were not really growing. I just changed all of the dirt.

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    It normally grows if their are added minerals, these can come from fertilising, within your water or just with the soils, good air flow lessens it, but really you have to repot or cover it with some more soil, it thrives on peat and spag moss, but a small top layer of sand or perlite (1-3cm) should slow it right down.

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    LeafKirby's Avatar
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    Yeah, just go ahead and change out the top of the soil.
    Formerly known as WaterKirby.

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    carnivorous plants of the world -- unite! DragonsEye's Avatar
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    Quote Originally Posted by Tanukimo View Post
    It is called slime mold,
    No, slime molds are something else.
    "Blessed are the cracked….
    For they are the ones who let in the light."



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    theplantman's Avatar
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    Quote Originally Posted by Tanukimo View Post
    It is called slime mold, I believe. It can be difficult for plants to break it and grow out of the soil. I have a pot of Utricularia longifolia covered in half an inch of the stuff, and the leaves were not really growing. I just changed all of the dirt.
    If it's green, it's usually algae. There are even reddish and brown-colored algae. If it's whitish, many times it'll be nematodes. Sometimes pythium is white and fuzzy. The list goes on and on and on.... Amazing what media can culture sometimes.

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