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Added urea to keep growing medium acidic and pH levels stable
it can also take action and stop the pump
Cell walls determine the strength of your plants' leaves
The unit works with the GAS Intelligent Humidity Controller
Essentials CO2 Monitor Intake Filters Added urea to keep growingOverview The Essentials CO Monitor is a user friendly indoor air quality monitor, which detects CO levels using a Non Dispersive Infrared (NDIR) spectroscopic sensor. General Information Its large format display shows the real time CO level, ambient temperature and relative humidity, along with a clock and a bar chart indicating how CO levels have changed over the previous 24 hours. It can be set to give a green amber red backlight to indicate normal