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  • #1

    Identification wanted

    I am in course of tidying the greenhouse up and found the attached.
    Can anyone help with this.

    These just appear to be little stones. Just googled and they appear to be baking stones!!

    This is more complex. You can work it down to dust in your fingers.
    Any help would be appreciated. I would hate to throw something away that could be useful!!
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  • #2
    The round stones look like the clay pebbles that are used in hydroponics to hold water 10L Clay Pebbles for Hydroponics > 3CH London
    Don't know about the dust though!!

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    • #3
      The "dust" looks like horticultural grit to me . . . can you break it all down to dust or just some of it ?
      My allotment in pictures

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      • #4
        Can you be more specific about where in the greenhouse you found your mystery stuff. Is it in bags or part of the floor?
        David

        "Though the problems of the world are increasingly complex, the solutions remain embarrassingly simple." Bill Mollison.

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        • #5
          The first one is definately a pound coin.
          photo album of my garden in my profile http://www.growfruitandveg.co.uk/gra...my+garden.html

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          • #6
            These are definitely stones VC.

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            • #7
              Originally posted by Highlander View Post
              Can you be more specific about where in the greenhouse you found your mystery stuff. Is it in bags or part of the floor?
              The stones were in a tin. The dusty stuff was in a rotting plastic bag.

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              • #8
                Originally posted by RaptorUK View Post
                The "dust" looks like horticultural grit to me . . . can you break it all down to dust or just some of it ?
                It does break down to dust and I thought it might be growmore or some such stuff

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                • #9
                  Originally posted by DannyRam View Post
                  The stones were in a tin. The dusty stuff was in a rotting plastic bag.
                  bin it. Could be manky bone meal or worse

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                  • #10
                    I don't think growmore would look like that. When I have seen old / damp growmore it has been more like wet powder and not like the picture.
                    David

                    "Though the problems of the world are increasingly complex, the solutions remain embarrassingly simple." Bill Mollison.

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                    • #11
                      Originally posted by DannyRam View Post
                      The stones were in a tin. The dusty stuff was in a rotting plastic bag.
                      What size plastic bag? 25 kg or 1kg sort of size? I would put a spoonful into a mug of water and see if it dissolves. If it does, then it's probably fertiliser of some sort (but may be herbicide - do a trial test on a little patch of grass or a few seedlings in a pot). If it doesn't dissolve, my first guess would be bonemeal, or blood/fish/bonemeal. Does it have any smell?
                      Location - Leicestershire - Chisit-land
                      Endless wonder.

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                      • #12
                        The stones are something called "Leca" and are used in hydroponics or sometimes for "prettying" up pot plants as a mulch.

                        The other stuff looks like John Innes base or any of the other fertilizers mentioned which appears to have got a bit damp at some point.
                        Please visit my facebook page for the garden i look after

                        https://www.facebook.com/PrestonRockGarden

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