Worm Bin Starter Bundle — Bedding, Castings & Thermometer in OneEverything you need to set up a healthy worm bin or refresh an existing one — bundled together and ready to ship. This kit pairs two of the most essential bin inputs (coco coir bedding and worm castings) with the thermometer you need to keep your bin in the safe zone.What's Included Urban Worm Coco Coir brick — low-salt, pH-neutral bedding that expands to 2.5+ gallons of fluffy substrate Worm castings (2 lbs) — mix into your coir or potting soil to immediately introduce beneficial microbiology Urban Worm Thermometer — color-coded probe thermometer so you always know if your bin is in the green zone Why the Castings + Coir Combination WorksA single bundle makes 3.2 gallons of an 80/20 coco coir and castings mix — the perfect starting medium for a new bin or a soil amendment blend for container plants and raised beds. The castings seed the coir with microbial life from day one, so your worms (and plants) hit the ground running.Mix with topsoil and a drainage amendment like perlite or vermiculite for a complete potting mix.Free shipping to the lower 48.Add composting worms to complete your setup, or explore the full Urban Worm Bag Version 2 bin.
