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Thread: Lava Rock

  1. #1
    Never Knows Best gill_za's Avatar
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    Lava Rock

    Lately I find myself going too quick through small packages of Hoffman red lava rock that I buy in a not so local nursery.


    I saw lowes offer black lava rock and HD offer red lava rock for sale. Is black lava rock essentially the same mineral as red lava rock (Scoria)? I wonder if the stuff both stores have for sale is too large (like lava rock for grill) for planting purposes. Also Red lava rock looks like it has high Iron oxides content which should be beneficial for pings as prevention of chlorosis.


    Lowes (http://www.lowes.com/pd_164054-61993...ock&facetInfo= | http://www.lowes.com/pd_381717-15634...ock&facetInfo=)
    HD (http://www.homedepot.com/h_d1/N-5yc1...&storeId=10051 | http://www.homedepot.com/h_d1/N-5yc1...&storeId=10051)

    So, I was wondering, where do you fellow terraforumers get your lava rocks from (that I can perhaps get it in larger quantity)? And could I perhaps buy that stuff from lowes or HD?


    Thank you in advance for help!
    Last edited by gill_za; 04-11-2012 at 10:56 AM.

  2. #2
    kulamauiman's Avatar
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    I can cheat. Sold locally in the garden shops. Easily available but I guess it helps to have one of the worlds most active volcanoes in your state sometimes...

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    My problem is even what is sold here as lava "pebbles" is 1/2" - 1" in diameter, so fine for neps, but would love smaller chunks for other things.
    Other than attackingg with a sledge hammer..



    Joe

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    Never Knows Best gill_za's Avatar
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    So you are confirming my suspicions? Without looking at this stuff in lowes and HD myself I suspected that it would be made up of rather large chunks...

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    They usually have two grades-one is the pebbles I mentioned and one is larger, rocks 2-3".

  6. #6
    Never Knows Best gill_za's Avatar
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    Well, one lowes that is close to me did not have it. The closest HD had a 0.5Cu bag which was a mixture of large and small rocks ranging from 3" down to 0.25". I guess I'll buy the bag and separate the large pieces for the grill and small ones for plants.

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    There must be a cheap rock tumbler out there somewhere that can crunch them into fragments...

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    suite

    here lava rock is nommed pouzzolane , for the ping their office in the substrate : the aeration

    jeff

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