ligthing

[Paulo]

I think you guys have discussed this topic many times...but...I have
replaced my lamp light ("aquarium lamp") for an agro-lite lamp. According to
the info in the package has a 600 lumens output. THe light is quite
yelowish, and I am wondering if it is good for the plants. If I am not wrong
I was some in the LFS with 10 000 lumens output. Is any special one to
recommend?

TY

--
Paulo

[NetMax]

"Paulo" > wrote in message
.. .
> I think you guys have discussed this topic many times...but...I have
> replaced my lamp light ("aquarium lamp") for an agro-lite lamp.
According to
> the info in the package has a 600 lumens output. THe light is quite
> yelowish, and I am wondering if it is good for the plants. If I am not
wrong
> I was some in the LFS with 10 000 lumens output. Is any special one to
> recommend?
>
> TY
>
> --
> Paulo

If I remember correctly, lumens is an indicator of a light's intensity
and would not have anything to do with it's spectrum. Everyone perceives
spectrum (ie: colours) slightly differently so a description of what
looks yellow or red would not be very useful (especially as your
substrate's colour significantly influences what is reflected back up).
Much of the spectrum is also outside our range of perception, but perhaps
not outside of the frequencies which plants can utilize. The usual
parameters you are interested in are watts (a comparative characteristic
if all possibilities are fluorescent, more watts = more intensity which
is generally good for plants), Kelvin (indicator of what part of the
spectrum most of the light is in), CRI (indicator of light
quality/accuracy) and spectrum (visual indicator of amount of blues,
reds, greens etc, to compare with otherwise similar bulbs).

Some more details are here:
http://www.geocities.com/Heartland/Hills/2637/spectra.html
http://www.aquabotanic.com/lightcompare.htm
hth
NetMax