Composted Large Robe Thermometer Required and soil temperature is 2 inches below automatically measures surface. Easy to read and clear the temperature range. The soil analysis thermometer can work overnight in the compost. The Backyard Thermometer composter has a durable 20 long and 3/16 diameter handle that can easily reach the center of the compost for an accurate reading. It is very suitable for composting, planting, transplantation and gardening important courses. Compost soil thermometer with 3 temperature zones showing stable, active and high temperature composting activity. It is easy to put in the compost heap, which makes composting very easy. The soil and compost thermometer is made of high 8-head steel of 304 anti-rust long.