Does air-cooling your grow light decrease PAR output / intensity? @Just4Growers
Does air-cooling your grow light decrease PAR output / intensity? @Just4Growers
Uploaded January 2014 | Updated September 2026, 2 weeks ago
We take a Sun Systems Blockbuster 6" Air Cooled Reflector and an Ultra Sun Metal Halide lamp and measure the effect air cooling has on the output using a PAR meter.
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Everest Fernandez |

Does air-cooling your grow light decrease PAR output / intensity?

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