Modern Lighting Measurement
Posted: Tue Sep 28, 2021 3:30 pm
What's the best way to measure the light your plants receive? Are you giving them enough? Too much? How much light is that flourescent bulb giving off and how much can your plants use?
Sure, you could eyeball it and guess but wouldn't it be nice if there was a much more precise way to do it that's free and available to everyone RIGHT NOW!?
Enter the Daily Light Integral (DLI). It's a measurement of the total amount of photosynthetically active light that strikes your plants on a daily basis.
Don't know your DLI? Then ...
Sure, you could eyeball it and guess but wouldn't it be nice if there was a much more precise way to do it that's free and available to everyone RIGHT NOW!?
Enter the Daily Light Integral (DLI). It's a measurement of the total amount of photosynthetically active light that strikes your plants on a daily basis.
Don't know your DLI? Then ...
- Get a phone app to measure lux like this one: Lux Light Meter Free and convert the lux to ppfd
Convert the ppfd to PAR using this site: Convert Lux to PPFD Online
Convert the PPFD to DLI using this site: Daily Light Integral Calculator
Compare your DLI against this chart to see if you've got the right lighting for your plants: How much light do carnivorous plants need?