The Best Ceramic Metal Halide Grow Light 2019 - Growers Choice Maxibright MIGRO

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We test three of the most popular 315 watt Ceramic Metal Halide Grow lights for PAR output. The three lights are tested in a 1m x 1m (3,5ft x 3.5ft) grow tent with the same bulb. The lights are hung art their optimum height and 36 PAR (PPFD) measurements are taken evenly across the grow area. The total PAR output can be calculated and the PAR map produced. Results as follows:

Maxibright 'Daylight connect'
PAR output 506 PPFD

MIGRO 'Economy'
PAR output 497 PPFD

Growers Choice 'CMH kit'
PAR output 510 PPFD

Test equipment:
Quantum sensor Apogee SQ 500
Grow tent: Black Box Silver 1m x 1m

Ceramic metal halide grow light
315W CMH
Ceramic Discharge Metal Halide
315W CDM
Light emitting Ceramic
LEC 315W

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