I am looking for opinions on these two lights. The price is almost identical. The SF uses Samsung and the M-H uses Bridgelux. The Mars has 3978 leds and the SF has 2688 leds. The Spider Farmer has a PPF of 1920 and the Mars-Hydro is 1782.9. I find it strange that it takes 1290 more diodes on the MH to produce less results. Any opinions
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