Can you provide model numbers?
--
73's, and thanks,
Dave
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On Tue, 2016-02-16 at 20:24 -0500, Gary Smith wrote:
> There may be a remedy sooner than later that will resolve the grow
> light issue; High efficiency, Circuit On Board COB LEDs. A Vegan
> friend was showing me his winter-time greenhouse and it was
> impressive.
>
> Instead of using the high powered mercury and sodium lights to grow
> his veggies, he is using the COB LEDs attached to 10" x 36"
> heatsinks. The efficiency of these are far greater than conventional
> grow lights and use a fraction of the energy to run them for the
> same
>
> lumen output.
>
> He said one of the COBs (Made by Cree) at 50W equals 150W in lumens
> of the conventional lights and the COBs last for 50,000 hours while
> the conventional grow lights age quickly and last for two growing
> cycles, then have to be replaced. More, the conventional bulbs
> create
>
> high heat issues and the COBs do not. FWIW, each COB is about the
> diameter of a 50 cent piece.
>
> My YL is a Vegetarian and I have been thinking of setting up a space
> in one of the rooms for her to grow her veggies in during the winter
> and to get a head start on spring planting. I've never wanted to
> have
>
> that here because of the RFI from grow lights & also from the
> electric bill.
>
> I asked him to bring one of his lights over so I could see what if
> anything it does to my K3. He did and it was an incredibly bright
> light, the heatsink did not get so hot I couldn't keep my hand on it
> after 120 minutes of being on and best of all, zero RFI to the K3
> regardless of which antenna and frequency I tried.
>
> Considering the efficiency and longevity of these new LEDs, I have a
> feeling the conventional grow lights are going the way of the
> incandescent light. This will be a good thing.
>
> 73,
>
> Gary
> KA1J
>
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