I was recently told about activated charcoal for potted plants, I was told to put a screen in the bottom of the pot so that charcoal can't be lost through drainage holes, then a layer of the charcoal and soil on top of that. My questions are 1)Can this be used for succulents ? 2)what are the benefits? 3) Are there any plants that this could harm?
Thank you,
Sheila
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