Dli isn’t a meter you buy. It’s an equation based on how much Par for how many hours your plant is receiving. If you have an idea of the strength of your light and the hours of on time, you can calculate the DLI
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You might be able to get around it if you have an older SLR camera and a fresh battery. It involves selecting the right shutter opening and keeping track of the shutter speed. Or maybe it is the other way around. There is an older thread on this msg board mentioning more details.I understand what you are saying, but I am kind of learning as I go. I currently do not own a DLI meter or PAR meter.
I just got to figure a way to get my wife to sign off on a couple hundred dollar meter. Fixed income sucks.
If I remember I will check to see if I bookmarked or made a shortcut to the thread here on 420magazine. If memory serves the thread started about 10 years ago.I have an older Canon DSLR I may have to look into that also.
Thank you @SmokingWings
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