Active Air Hygro-Thermometer biological fertilizer If you are using a

If you are using a recirculating system

overvoltage protection

Phantom PHR6010 reflector features:

PhysioSpec Indoor: 95 μmol/s

Active Air Hygro-Thermometer biological fertilizer If you are using aYou'll find multiple uses for and multiple places to put this Active Air hygro thermometer. Check the large number LCD display from a distance, and move it around with you as you go about your gardening tasks. The hygro thermometer's readings are extremely accurate. Prop it up on your workspace, close to your plants, or wall mount it for hands free hanging readings. Current temperature and humidity reading with simultaneous display of Max and Min