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A float switch
It's part of an organic feeding schedule
The measuring range of this CO2 controller stretches from 300 to 2000 ppm
The formula ensures that your plants deliver tastier and larger fruits
Opengrow - Grolab Pro Kit Street Light A float switchGroLab Pro Kit is the most complete automation kit you'll ever get. It allows to fully monitor and automate the climate, lighting, irrigation, pH correction, nutrients dosing and all the tank management tasks, while constantly checking your soil moisture and feeding your plants only when it's necessary. This kit also provides the necessary tools to create security systems to react and or notify if any issues arises. Remote control, real time