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Thread: The Beef with Perlite?

  1. #9
    Sundrew's Avatar
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    I like perlite a lot, especially in looser mixes for neps consisting of mostly LFS. Make for chunkier, airier mixes, though there are substitutes. And I've had it in my bog pot this whole summer and haven't had any floating to the surface, though in smaller pots I have seen it happen.

  2. #10
    A leuco by any other name would still be as gluttonous. CorneliusSchrute's Avatar
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    Quote Originally Posted by Cthulhu138 View Post
    You can find the perfect grade of silica sand anywhere that sells swimming pool supplies.
    Here is where I have had limited luck. The pool filter sand I bought yesterday and hope to find more of tomorrow seems to be right. The previous filter sand I purchased from The Home Depot and Do It Best was far too fine: it looked like granulated sugar. I also can only find blasting sand of that same too-fine mesh. That fine sand is awful... it basically turns your media into concrete. I should have looked harder in the first place, I guess.
    Corey Bennett

    My cultivated vegetation, carnivorous and otherwise...

    Formerly cbennett4041

  3. #11
    A leuco by any other name would still be as gluttonous. CorneliusSchrute's Avatar
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    Quote Originally Posted by pearldiver View Post
    Many years later is was, "Whoopsie, this area is contaminated, must be fenced off, eventually remediated" and that ended up being basically covering it up with concrete.
    I hate it when that happens.

    Doesn't vermiculite contain other bad substances, too? Maybe my dislike for it is founded after all.
    Corey Bennett

    My cultivated vegetation, carnivorous and otherwise...

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  4. #12
    A leuco by any other name would still be as gluttonous. CorneliusSchrute's Avatar
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    Quote Originally Posted by scottychaos View Post
    I am "anti-perlite", for CP-use, for four reasons:

    1. newbies to the hobby sometimes think they need it, (because they read they need it)
    so they get perlite with fertilizer added, because they dont know any better, and they poison their plants.

    and I dont use it myself because:

    2. It floats to the top.
    3. It's ugly.
    4. I cant think of any benefit to using it.

    Scot
    Scot does remind me of one of my perlite-peeves with this post: it seems to me that sphagnum top dressing grabs hold of peat and maybe even peat/sand better than perlite/peat. Plus, if you want to harvest the sphagnum later it is bound to have perlite in it.
    Corey Bennett

    My cultivated vegetation, carnivorous and otherwise...

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  5. #13
    A leuco by any other name would still be as gluttonous. CorneliusSchrute's Avatar
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    Quote Originally Posted by Monkey View Post
    As long as I don't have it in anything that gets flooded, I like perlite. One big hassle is washing it though.
    Fun fact: I have only ever washed perlite once. I removed a lot of powder by doing so, but felt like it was too much of a hassle for me.
    Corey Bennett

    My cultivated vegetation, carnivorous and otherwise...

    Formerly cbennett4041

  6. #14

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    Add to my list the powder, oh I hate the powder .

    Why has no one mentioned the powder!

  7. #15
    A leuco by any other name would still be as gluttonous. CorneliusSchrute's Avatar
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    Powder, as I recall, was an excellent movie, however.
    Corey Bennett

    My cultivated vegetation, carnivorous and otherwise...

    Formerly cbennett4041

  8. #16
    carnivorous plants of the world -- unite! DragonsEye's Avatar
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    I dislike how floaty/fly-away perlite is as well as that it can compact over time. The foamed glass that is out now is much stronger, light (but not as light as perlite), and still provides the benefits of perlite.


    "Blessed are the cracked….
    For they are the ones who let in the light."



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