Coco Coir Worm Bedding — The Clean, Consistent Worm Bin SubstrateCoco coir is one of the best worm bin bedding materials available — and Urban Worm's version is rinsed low-salt and pH-neutral right out of the brick, so there's no prep guesswork. Each 1.4 lb brick expands to over 2.5 gallons of loose, fluffy substrate when hydrated.Why Coco Coir Over Other Bedding Near-neutral pH — won't stress your worms the way high-acid materials like pine shavings can Excellent moisture retention — holds water without going anaerobic Rinsed to remove salt content — salt is lethal to worms, and this step matters Consistent texture — worms move through it easily and it doesn't compact Eco-friendly — made from coconut husks, a renewable byproduct of coconut production How to UseHydrate each brick in a bucket with about a gallon of water. It'll expand fully in 10–15 minutes. Wring out any excess moisture — your bedding should feel like a wrung-out sponge, not dripping. Add to your bin and introduce your worms.Two 1.4 lb bricks is the recommended starting amount for an Urban Worm Bag Version 2. Available in single, 2-pack, 6-pack, and 24-pack quantities — bulk packs are ideal if you're running multiple bins or doing regular bedding refreshes.
