Coconut coir is an excellent worm bedding.
It's moisture retention is outstanding, it can hold 8-9 times its weight in water. Coconut coir is free of seeds, weeds, and other particles, it resists bacteria, mold, and fungal growth. Coconut coir's excellent aeration due to high air-filled porosity and pore space make it a wise choice for use as worm bedding.
The ability coconut coir has to hold and release nutrients over extended periods makes it a perfect medium for potting soils. It ensures good drainage in potting mixes, preventing root rot while encouraging strong and early root growth .