i was looking at the lasagna planting on thriftyfun.com and it mentioned using coir in your raised bed, but what is it?.. i've searched on google but it just keeps bringing up coir mats and i had a look on here and everyone seems to already know what it is so none of the threads give a description of what it is
![Confused](https://www.growfruitandveg.co.uk/grapevine/core/images/smilies/confused.gif)
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