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Sources for vermiculite and diatomaceous earth - Forno Bravo Forum: The Wood-Fired Oven Community



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You will notice a new forum at the top of the main page called, "Ask Me Anything". This forum will be used for live one hour "Ask Me Anything" (AMA) sessions hosted by people who are knowledgeable in different areas pertaining to wood fired ovens. How it works:
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To kick off our AMA feature, we have invited author, chef and master bread maker and host of Pizza Quest, Peter Reinhart, to be our first host! Peter will be in the Forum on Monday, February 15th, from 7:00 - 8:00 pm EST. If you are unable to be online during the live session, you can post your questions in the sticky post. Peter will answer those questions during the live session on February 15th. You can view Peter's answers to your questions as well as what happened during the live session in the session thread.

We hope you enjoy this new feature! Please let us know if there is a topic that you'd like to have as an AMA and we'll look for a host!

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Sources for vermiculite and diatomaceous earth

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  • Sources for vermiculite and diatomaceous earth

    Anyone know typical sources for vermiculite (or Perlite) and diatomaceous earth other than home centers like Lowes? I'm thinking there must be sources cheaper than home centers.


  • #2
    Re: Sources for vermiculite and diatomaceous earth

    try garden centers and growers for the perlite and vermiculite, its used extensively in potting soil. Here in FL, diatomaceous earth can be found at any swimming pool supply store (which are found on nearly every street corner with pharmacies and convenience stores).



    • #3
      Re: Sources for vermiculite and diatomaceous earth

      Great. Thanks, RT.



      • #4
        Re: Sources for vermiculite and diatomaceous earth

        I used this ebay vendor.
        The shipping is more than the product, but If you can't get it locally, it's an option. Remember, gas and vehicle miles aren't free either.
        My geodesic oven project: part 1, part 2


        • #5
          Re: Sources for vermiculite and diatomaceous earth

          My strong recommendation would be to look for farm supply houses. There are farmers in Ohio, right? Grace is the main manufacturer for farming perlite at least in Florida. I bought my first two 4cubic foot bags (for the insulating hearth) for $50 each. At the farm supply house here they were $9 each! I got 6 bags to do the dome perlcrete. Call around, you will not find perlite cheaply on the web, IMHO.



          • #6
            Re: Sources for vermiculite and diatomaceous earth

            Hi PaulB,

            Landscapers supply companies, the ones that cater to golf courses and nursery/greenhouse merchants carry it. You can also find it at hydroponics suppliers since it is used as a growing medium. Some, but not many, pool supply companies may carry it. Also try an insulation supplier for vermiculite.


            Here is the link to my oven number 1 construction photos!

            Here is the link to my oven number 2 construction photos!