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Solved What is this stuff

Discussion in 'Identification Area' started by Nigel62, Oct 31, 2020.

  1. Nigel62

    Nigel62 Gardener

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    Any idea what this is? Is it some type of fungus? It keeps forming on a neighbours concreted area when wet for a long time and goes away over summer. They are worried as they are getting a new puppy next weekend and wonder if this stuff would be toxic. They keep clearing it but it comes back in no time.

    Thanks
     

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    Nigel62, Oct 31, 2020
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  2. Fat Controller

    Fat Controller 'Cuddly' Scottish Admin! Staff Member

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    I'd guess it is some sort of fungus. When you say they are clearing it away, how are they doing that? Are they washing the area with bleach or anything? Are there any trees/shrubs nearby that could be dropping spores or something?
     
    Fat Controller, Oct 31, 2020
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  3. Nigel62

    Nigel62 Gardener

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    They are sweeping it up then washing down with hose pipe. There are no trees or shrubs in that area, only a couple of tubs with geraniums in them.
     
    Nigel62, Oct 31, 2020
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  4. Fat Controller

    Fat Controller 'Cuddly' Scottish Admin! Staff Member

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    Very first thing I would be doing then, providing that there isn't any plants etc that would suffer is to brush it away and then get some bleach down there and give it a good scrub with a brush before rinsing off thoroughly. The alternative is Jeyes Fluid, but that costs an arm and a leg nowadays
     
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      Fat Controller, Oct 31, 2020
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    • ARMANDII

      ARMANDII Low Flying Administrator Staff Member

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      There must either be something being introduced into the area or which is already there that is decomposing:scratch: as Fungi need something like that, for whatever period, to thrive, as their action is to feed off decomposing fluid or material. Jeyes Fluid will help but not if the material is periodically being introduced from somewhere.:dunno::cat-kittyandsmiley::coffee:
       
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        ARMANDII, Oct 31, 2020
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      • Silver surfer

        Silver surfer PLANTAHOLIC

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        20201028_114222.jpg
        It is Nostoc commune a Cyanobacteria.

        Nostoc commune - Wikipedia

        Nostoc commune - Wikipedia

        We used to get it on gravel stones after rain in old garden in Wales.
        It was an area that had water run off after mucking out the goat pen...rich in Nitrogen.
        Vanished in hot , dry weather.
        It reminds me of slimy seaweed.
         
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          Last edited: Oct 31, 2020
          Silver surfer, Oct 31, 2020
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