Urban Worm Coco Coir 5kg Block | Expanded Worm Bedding & Soil Amendment

Tackle larger composting and soil projects with the Urban Worm Coco Coir 5kg Block, a high-capacity, eco-friendly bedding and soil amendment designed for serious growers.

This compressed block expands dramatically when hydrated, producing up to 17 gallons of loose, fluffy material, perfect for worm bins, raised beds, and custom soil mixes. Made from coconut husks and rinsed to remove excess salts, this coco coir provides a clean, near-neutral pH growing medium that supports healthy roots and beneficial microbes.

Whether you're building living soil or scaling your worm bin, this bulk option gives you the volume and performance you need.

Key Features

• • 5kg (11 lb) compressed block expands to ~17 gallons
  • Available in 4-pack (up to 68 gallons expanded)
  • Low-salt, rinsed coco coir for safe plant and worm use
  • Near-neutral pH for balanced growing conditions
  • Excellent moisture retention and aeration
  • Ideal for worm bedding, seed starting, and soil mixes
  • Sustainable alternative to peat moss

Why Use Coco Coir?

Coco coir creates the perfect foundation for healthy soil by:

• • Retaining moisture without becoming compacted
  • Improving airflow and root development
  • Supporting beneficial microbial activity
  • Providing a clean, consistent base for soil blends

How to Use

• • Hydrate the block with water until fully expanded
  • Use as worm bedding or mix into soil
  • Combine with amendments like worm castings and biochar
  • Ideal for seed starting, potting mixes, and raised beds

Perfect For

• • Large worm bins and composting systems
  • Raised beds and garden soil building
  • Seed starting and propagation
  • Container gardening and potting mixes
  • Gardeners scaling their soil production

Build better soil at scale, pair this 5kg coco coir block with worm castings and biochar to create a nutrient-rich, high-performance growing mix for your garden.