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PAR meter hack $30 | Measure PAR accurately with a with cheap Amazon Lux meter - YouTube
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Reviews of the Best PAR Meters for LED Grow Lights 2016-2017
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Cheap PAR meter hack - Use a Lux meter to measure PAR accurately - MIGROLIGHT
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Amazon.com: Sun System PAR Light Meter with Remote Sensor Measures Photosyntheticlly Active Radiation, Brown/A (748205) : Electronics
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Amazon.com: par meter
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Amazon.com: Sun System PAR Light Meter with Remote Sensor Measures Photosyntheticlly Active Radiation, Brown/A (748205) : Electronics
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