CPT: How To Measure Grow Light Intensity & Light Positioning
Updated: Dec 12, 2018
A quick guide on how, with a PAR (photo synthetically active radiation) meter, you can both measure grow light intensity as well as determine the optimal height to hang your grow lights at.
Items I Talked About In This Video: Cheap basic PAR Meter (Used In This Video):
Industry standard PAR Meter: https://amzn.to/2Tn491O
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