Dual HPS and MH

I was reading it is good to have both a HPS and a MH light and then I came across this.

http://www.littlegreenhouse.com/accessory/lights4.shtml

What do people think of that. Would it better then a 600w MH and a 600w HPS

woah hell yeah get that, thats cool as fuck ive never seen those before. wouldnt be better than two 600 watt bulbs but it would be better than any other 1000 watt bulb

mistaphuck said:

woah hell yeah get that, thats cool as fuck ive never seen those before. wouldnt be better than two 600 watt bulbs but it would be better than any other 1000 watt bulb

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Opps edit that question I made. I meant to ask if it would be better then a single 1000w MH or HPS. Which by the looks of it is

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Hey Virtual Rain, welcome aboard RUI

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No, the bulb 600/400 W will not give the same yield or potency as a 1000 W.

You basically have two weaker lights coming from one point - while the total PUR output may be the same or more the way it is delivered to the plant is different. It falls into the "average light output" fallacy of LED lights.

We need an intense light source to overload the plants light receptors, to turn them off so they send a chemical signal to the rest of the plant that says "GROW LIKE CRAZY! Don't hold any energy back because we'll get lots of light later because we got lots before!"

I've gotten better yields with a 600 W and a light mover than a 1000 W stationary because of changing light angles (more light receptors hit) and short periods of intense light over all flowering plants. Less money, less heat, more yield, more potency, less flower time. I wouldn't get the same with a (400W HPS / 200 W MH).

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doesn't seem like that bad of an idea though, yeah you wont have that same constant, but you will have the wider spectrum. I'd really be interested in a side by side comparison of this light vs a 1000 watt.