When current is present and running through the ballast it creates a magnetic field which in turn slows the current – keeping it in check. The ballast makes
Lumensmeasure the brightness of a grow light, like the brightness ofHPS grow lights,MH grow lights, andCMH grow lights. You might be asking yourself, “Why do I need to factor lumens/PAR? Can’t I just use a certain number of watts per square foot in my grow room?” While youcould...