Perlite sand is extremely fine. Is it clay? Will it cake up my soil over a long period of time(e.g.10 years)?
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I am familiar with perlite but not perlite sand, can you add a picture with something to show the size of the particles?– kevinskio ♦Commented Sep 26, 2021 at 18:45
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Clay is not composed of simply very fine particles.– blacksmith37Commented Sep 27, 2021 at 0:47
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1A similar question: Recycling potting mix with perlite: Would I get garden soil with perlite dust?.– MackMCommented Sep 5 at 13:19
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1 Answer
If you mean perlite, no, it's not clay and doesn't turn into clay, it is made from expanded volcanic glass, see here https://www.gardenersworld.com/how-to/grow-plants/what-is-perlite/
