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Use of PUMICE Stone

This is a discussion on Use of PUMICE Stone within the Semi Hydro / Lights / Greenhouses / Accessories forums, part of the Orchid Culture category; Would like to know who uses PUMICE Stone in/as their potting media (ratio if mixed ...

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  1. #1
    Ephemera's Avatar
    Ephemera is offline Michael
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    Default Use of PUMICE Stone

    Would like to know who uses PUMICE Stone in/as their potting media (ratio if mixed with others) and results over time, if possible indicating with which type of orchid you use it for (Paphs. Cattleya etc.). Thanks. I heard it is quite beneficial as an additive for orchid potting media.

    Cheers, Michael

  2. #2
    EMos's Avatar
    EMos is offline Senior Member
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    That's an interesting subject, though I don't have any experience using pumice personally. I hope people who have used it share their experience. I'm only posting here because I happen to read an article on pumices recently while searching for scoria - Compared to scoria which I like to use I believe it is a lighter material that absorbs more water while being as sterile as scoria or perlite. I'm not sure about its availability?

  3. #3
    Louis_C is offline Junior Member
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    Quote Originally Posted by EMos View Post
    That's an interesting subject, though I don't have any experience using pumice personally. I hope people who have used it share their experience. I'm only posting here because I happen to read an article on pumices recently while searching for scoria - Compared to scoria which I like to use I believe it is a lighter material that absorbs more water while being as sterile as scoria or perlite. I'm not sure about its availability?
    I think it absorb less water than perlite. I never use it in s/h since I'm still new to it. I use it with sphagnum to make it absorb less water in overall medium.

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