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Hey guys - just got this in my email . . . 357 Magnum LED coupon code, good for $100 off MAGDEAL100

I know this grow is done, but for what its worth . . . I just got this coupon for $100 off the Magnum LED . . . code MAGDEAL100.

Dude - anyone's issues with Cammie aside . . . have you even read that site ninja? Why would HGL write a blog promoting prosource and magnum? That just doesn't make sense is all I am sayin' - am I missing something?

Illumination vs growing . . . two totally different critters. Brightness does not equal growing ability and lumens don't mean squat, as we all know. For the auto industry for example, they are trying to get the brightest light out of a very confined foot print . . . which means you can't just...

Just FYI - I just checked and I was being rather generous in the efficiency of the 3w . . . if you take a look at one of the brands that have a sponsored advert in Google (name not important, not out to bash a company). Their "extreme flower" 120W, all 3w light, you will find that each 3w diode...

Not trying to be a prick but . . . no kidding! You are not comparing apples to apples here. 3x3w=9w and 3x1w=3w . . . so yes, from a wattage stand point, 9w > 3w. But the point from the article is about EFFICIENCY. A 1w diode emits about 0.9W of light (depending on the brand of diode). A 3w...

Yes - a single 3 w will penetrate deeper than a single 1 w . . . but 3 x 1 w diodes are more efficient and have more penetration ability than a single 3 w. If you do the math, there is no reason to have more than a 1w bulb at the present state of the technology.