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11/03/2019, 03:08 PM | #1 |
Registered Member
Join Date: Nov 2000
Location: Vancouver, Canada
Posts: 1,750
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PAR PPF PPFD and PFD Explained
Geared towards horticulture, but very good information, especially as the hobby has moved to LED lights. Apogee makes the test instruments so I am pretty sure they know what they are talking about.
https://youtu.be/UZO8Fb0ryW8
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-=Bryan=- Current Tank Info: 10g nano reef |
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