I'm experimenting with coconut fibers. Not the compressed stuff that comes in bricks but the actual long fibers that they use to make loosely knit matts to lay inside large wire hanging baskets.
What I'm tinkering with is using it for a liner in my plastic hanging net pots. I like use a mix of small bark, charcoal, perlite mixed with a few sprigs of sphag. for those baskets but always scratched my head about how to get it to stay in the basket.
So far, it's working perfectly. Has zero impediment to post watering drying and by the time roots get near it any salt residue will have long ago leached out.
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