CityFarmer Light Meter, Digital Luxmeter, with LCD Display - Range up to 50,000 Lux, with Price Reduction, Great for Gardening, Farming, hydroponics, Indoor, Outdoor, one Year Limited Warranty

if I get asked one more question about how many lumens or Lux a grow light puts out I swear I'm going to make a video so today in this video we're going to be answering the question can you use a light meter or a Lux meter to test the light output of a grow light if you don't have a quantum parmi tur and in this video we're going to be using these two different meters one is the dr. meter this is the LX 1330 B Lux meter and this is the apogee mq 500 quantum power meter this is specifically made for testing the light output of grow lights so that you know where or how high to hanging your grow light above your plant canopy and the reason is is this is because of the quantum power meter actually tests the entire visible spectrum from from UV to infrared not in that not in the UV and the infrared parts of the spectrum but the cutoff point right there where it starts from the visible spectr