fillmoe

Little clay spheres?

fillmoe
June 15, 2019

I've been cleaning up the backyard of our rental where the departed tenant left a lot of potted plants. I emptied the contents of the pots holding dead plants and see that there are spheres that appear to be red clay, about 1/2" in diameter. What is the purpose of these? To promote drainage, retain water, or . . .?

Comment (1)

  • getgoing100_7b_nj

    They are used in hydroponics, used instead of potting mix

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