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#3
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![]() No personal experience here, but from what I've seen on various threads about the subject of measuring LED photons, it's quite tricky. Apparently most of the metering equipment out there & in common use for our hobby is geared towards older technology, MH, flourescent etc. Certain spectra that the LEDs put out (blue, UV etc.) can skew results, especially when using a PAR meter.
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Mike 77g sumpless SW DIY 10 watt multi-chip LED build ![]() |