HydroFarm Thirsty Light hf-HGTL
(HGTL) The Thirsty Light
is a digital plant moisture sensor that blinks
an LED to alert the user when it is time to water a potted plant. ... monitors conditions, testing the moisture level once per second. Thirsty Light
can sense 5 different levels of dryness, causing the light
faster as the soil gets dryer, increasing the urgency of ... Details...