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Re: [AGA Member] Re: AGA Member - Digest V1 #62
Bulb age is an issue. Brand new bulbs are substantially
brighter than ones that have burned a 100 - 400 hours.
After that the decline in light output over time is very
very gradual.
You'll probalby find more variation between new and
slightly new bulbs than between bulbs that are, say 2
months and 24 months old.
You might want to use "broken in" bulbs to standardize the
results.
Scott H.
--- Phil Edwards <biotypical@hotmail.com> wrote:
> Phil can prove/disprove the theory. Phil's experiment, if
> I
> may suggest should involve light intensity as one of the
> variables. Also a variety of red plants. Not all plants
> are
> red for the same reason.
>
>
> I'll likely be running the experiment on a 20g high
> alternating between 35
> and 55w PC Fluorescent 5300K, 10,000K, and Blue bulbs.
> If anyone wants to
> donate any other K rating bulbs or 50/50s to the cause
> I'll be happy to take
> them as long as they're brand new.
>
> I'm planning on growing:
>
> R. macrandra
> R. indica
> L. repens
> L. arcuata
> A. reineckii
>
> Maybe even a stem or two of A. gracillia and Nesea spp.
>
> Best,
> Phil
>
>
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