Active Air Indoor-Outdoor Thermometer w/Hygrometer Water Pumps Aeration & Irrigation Dual layer thickness

Dual layer thickness

such as coco and rockwool

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

the Matrix Unit on top of it

Active Air Indoor-Outdoor Thermometer w/Hygrometer Water Pumps Aeration & Irrigation Dual layer thicknessActive 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