permaculture

[Amy Little <amylittle@hvc.rr.com>]

This is a 250 watt total lighting older bulb with good reflector. I 
figure it will cover 3x3, depending on how close
I am concerned that the light may be too close and harm the plants, 
but I like the stocky growth.
How close is close enough?

At 03:40 PM 3/28/2010, you wrote:
> You didn't really give enough information for anyone to be able to
> answer the question. What is the bulb wattage? Is this supplemental
> lighting or the total lighting? Is is a new bulb or an old bulb? Are you
> using a reflector?
>
> A 1000 watt metal halide with a reflector will light an 8' x 8' area as
> the only light source. If it is supplemental lighting, you could light a
> 10' x 10' area. So try 4 - 5 feet above the crop for a 1000-watt. I've
> never used a 400 watt.
>
>
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