Active Air Indoor-Outdoor Thermometer w/Hygrometer Extension 000-hour lifespan and spin using

000-hour lifespan and spin using permanently lubricated dual-ball bearings to eliminate regular maintenance

It also encourages beneficial microbial activity in the soil

6" diameter

safe to handle and has no odor

Soluble Potash (K2O)……

Active Air Indoor-Outdoor Thermometer w/Hygrometer Extension 000-hour lifespan and spin usingDescription Indoor Outdoor Thermometer: Active Air's thermometer is designed to withstand a variety of environmental conditions. This thermometer can be used in different settings. It features a large display, enabling you to read the current temperature and humidity levels with ease. The remote probe allows you to sample two different temperatures simultaneously. It also keeps track of the highest and lowest readings for both temperature and