Best closet grow light 2017 - HPS vs CFL vs LED

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We test the PAR light output and show you the spectrum for each grow light. Spectrum king MHL 100, 150W HPS with digital ballast, 250W dual spectrum Elektrox bulb and the MIGRO 100.

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The test is done in a 500mm x 600mm closet grow setup with diamond diffusion mylar walls. The CFL and HPS are fit in a barn reflector.

Equipment used:
Spectrum King MLH 100
Elektrox dual spectrum 250W CFL
150W Sunmaster grow+ dual spectrum bulb
MIGRO 100
Test equipment:
Spectrum analysis: Asensetek lighting Passport
Quantum sensor: Apogee SQ500

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Download the closet grow build manual here: http://bit.ly/2tpoMzL