Active Air Indoor-Outdoor Thermometer w/Hygrometer Water Pumps Aeration & Irrigation Turn on an exhaust fan

Turn on an exhaust fan to reduce temp or humidity

the Matrix Unit on top of it

we recommend using reverse osmosis (RO) water or water up to approximately 100 ppm (EC 160 S/cm)

Original Grow and Bloom into one highly effective formula

Commercial-grade motor for years of use

Active Air Indoor-Outdoor Thermometer w/Hygrometer Water Pumps Aeration & Irrigation Turn on an exhaust fanActive Air's indoor outdoor thermometer gives you more. Made of sturdy materials to stand up to the climate of your indoor grow room, this essential tool features a large display to read the current temperature and humidity levels. A remote probe allows you to sample two temperatures at once. Record the high and low points for both temperature and humidity. 3 meter sensor for temperature reading only Relative humidity sensor located on side of unit