Check the listing for details. WORM NERD WORM BIN THERMOMETER~NEW. Condition: New. Listed at 18.00 USD. Worm Nerd’s Worm Bin Thermometer is a great tool to have when maintaining your worm compost bin at home. Ensuring your worms are living in the best possible conditions results in happy, active worms – more eating, more breeding, and more castings. For an accurate measurement, place the thermometer probe around the center of the compost pile and wait three minutes. The easy-to-read dial includes four color-coded temperature zones, ranging from 0° to 140° F (-17° to 60° C). Each zone clearly indicates if the bin is too cold, too warm, or just right. Keeping the dial’s needle within the “happy” zone means your worms are in the ideal temperature range for thriving. 8-inch stainless steel thermometer 2-inch dial with waterproof and anti-fog glass Dial ranges from 0° to 140° F (-17° to 60° C) Color-coded temperature zones COMPOST BIN MUST-HAVE: Maintenance gets a little easier with this 8-inch stainless steel thermometer designed specifically for reading the temperature of worm compost bins EASY TO READ: Includes large, 2-inch dial with waterproof and anti-fog glass for easy reading SIMPLE TO USE: Place thermometer probe around the center of the compost pile and wait three minutes for an accurate measurement COLOR-CODED TEMPERATURE ZONES: Color-coded zones clearly indicate when the worm bin is too cold (blue), too warm (pink or dark pink), or just right (green) HAPPIER WORMS: Temperatures within the green “happy” zone are when composting worms are the healthiest and most active, meaning more eating, more breeding, and more castings