TNB Co2 Monitor

TNB CO2 Monitor A compact digital CO2 monitor that shows the carbon dioxide level in your grow space in real time, so you are not guessing. When you enrich with CO2, plants generally do well at around 900 to 1,200 PPM, and the monitor lets you check that you are in range. - Clear digital readout of your PPM - Compact enough to fit in a grow tent or grow room - A handy partner for The Enhancer CO2 bottle - Made by TNB Naturals For grow tents, grow rooms, greenhouses and other indoor growing spaces.