The Orchid Forum, for the UK and Europe (previously known as The UK Orchid Forum) • View topic - 300w dual spectrum RED 2700K & BLUE 6400K grow light
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PostPosted: Tue Oct 13, 2015 3:07 pm 
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Hi everyone, :)

I've got a question :?: about 300W dual spectrum RED 2700K & BLUE 6400K grow light. Does anyone used it? Would it be good for growing plants and seedlings during winter time?
Also, what should be the maximum distance from the plants?

Thanks !


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PostPosted: Tue Nov 17, 2015 9:43 am 
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The distance would depend on the light requirements of the plants you put under it and the light itself ;)

Still, the dual-spectrum approach levels sounds good, but it's the power output which will determine the light output the plants receive. 300W is the draw from the mains supply that the light unit takes. The actual light output will differ depending on what kind of light this is (LED, incandescent, tube, T4, etc.). For example, a 400W basic incandescent bulb emits around 25W of light, whereas a 400W metal halide bulb emits around 140W of light. The remaining power is lost as heat mostly.

What light is it you are thinking about?

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