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Lux meter cool tube comparison


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After going into my buddys grow room and seeing how BRIGHT it was compared to mine, and all things being equal except my cool tubes vs his open hoods (and my yields being half of his), i purchased a lux meter.

Results are shocking:

600 watt hortilux on a flat glass reflector was 88k lux with glass, 85k without meaaured from about 6" away.

Cool tubes: new 1000watt  hps hortlux 88k lumens. 600 watt hortilux hps 55k lumens.

Cool tubes suck!

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