Coco Coir, Castings & Thermometer Bundle | Soil & Worm Bin Starter Mix

Build better soil and monitor it with confidence using the Coco Coir, Castings & Thermometer Bundle, a simple, effective way to improve moisture retention, microbial life, and overall growing conditions.

This bundle combines coco coir and worm castings to create a balanced, biologically active mix that supports strong plant growth and efficient composting. The included thermometer helps you maintain optimal temperatures, so your soil or worm bin stays in the ideal range for microbes and worms.

Whether you're preparing potting soil or improving a worm bin, this bundle gives you the tools to get it right from the start.

What’s Included

• 1 × Urban Worm Coco Coir Brick: Expands into fluffy, moisture-retaining bedding or soil amendment
• 2 lbs Urban Worm Castings: Microbe-rich compost that boosts soil life and nutrient availability
• 1 × Urban Worm Thermometer: Monitor temperatures to maintain ideal conditions

Key Benefits

• • Creates a balanced, microbe-rich soil blend
  • Improves moisture retention and aeration
  • Supports healthy microbial activity and plant growth
  • Helps maintain optimal temperature conditions
  • Easy to mix and apply for both soil and worm bins
  • Ideal for beginners and experienced growers alike

How to Use

• • Hydrate the coco coir and mix with worm castings
  • One bundle creates approximately 3.2 gallons of an 80/20 coir-to-castings mix
  • Add to potting soil, raised beds, or worm bins
  • For best results, combine with topsoil and vermiculite for improved drainage
  • Use the thermometer to monitor and maintain ideal conditions

Perfect For

• • Potting soil and container gardening
  • Seed starting and transplants
  • Worm composting systems
  • Improving soil structure and biology
  • Gardeners building better soil blends

Amend your soil the right way, pair this bundle with grow supplies or raised beds to create a complete, high-performance growing setup.