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Subject: Re: Osram bulbs

In regards to the questions below.....I purchased a 6700K Sylvania 55W CF from http://www.ahsupply.com/ that works perfectly in my Perfecto SHO 48" strip light. It is marked: CF-LE  55W/860   25689 Made in Germany. I also have a Perfecto that is marked: Perfecto SHO 2G11 6700K Made in Germany. Both bulbs are identical except for the markings. I believe that AH can supply the 5400K bulbs as that is where I purchased mine about 8 months ago. Get a hold of Kim at AH as I'm sure he can answer further questions about the bulbs and ballasts. I have been using his 55W X2 retrofit kit and it is excellent . They now offer a single ballast (as opposed to the 2 originally offered) kit that will run 2X 55W CF's.
HTH,
Bob Buettner
In sunny but cold, with a nice white landscape, Northwestern CT
Visit the new location for my Freshwater Aquarium site
http://www.cshore.com/luna/Fishpics/Fishpicstn.html

> Date: Wed, 2 Feb 2000 11:05:17 -0500 (EST)
> From: busko at stsci_edu (Ivo Busko)
> Subject: Re: Osram bulbs
> 
> Stephen Boulet <stepheb at comm_mot.com> wrote:
> 
> > I was interested in the Osram Dulux L 5400K compact fluorescent after
> reading the
> > article at http://www.aquabotanic.com/lightcompare.htm.
> >
> > I called an Osram rep who could only find this bulb in a max temperature
> of 4100 K.
> > Is she right about that?  :)
> >
> > The part number for the 4100K is FT55DL-841. I assume the 5400K would be
> > FT55DL-841.
> >
> > She recommended the Quicktronic ballast QT1x54 PHO (or 2x54 for two
> lights). Any
> > ballast recommendations for this bulb?
> >
> > Thanks.
> >
> > - -- Stephen
> >
> 
> These are European bulbs from Osram/Sylvania, sold by Perfecto for their 
> SHOLigth fixtures. Mine sport a "made in Italy" label. And the Osram rep
> is rigth, the American Osram/Sylvania data sheet for the Dulux L model 
> lists color temperatures up to 4100K only. You'll probably have to buy 
> the 5000K model from places that sell the Perfecto fixtures.
> 
> The ballast in my 36" SHOligth is the QT2x54 PHO.
> 
> - -Ivo Busko
>  Baltimore, MD
> 
>  
> 
> ------------------------------
> 
> Date: Wed, 02 Feb 2000 10:27:13 -0600
> From: Stephen Boulet <stepheb at comm_mot.com>
> Subject: T8s for a 55 (was Osram bulbs)
> 
> William R. Curtin wrote:
> 
> 
> > I also looked into getting the Osram 5400K and the 6700K bulbs from lighting
> > dealers and was told that the 4100K is the highest they list.  What is
> > probably the case is that Osram is manufacturing then OEM(original equipment
> > manufacturer)  for Perfecto in the U.S. so Osram USA has no listing in their
> > catalog for them as a direct retail item. I believe they are available in
> > Europe. When I first bought my SHO lights, My bulbs were in Osram boxes
> > inside of Perfecto Boxes but later bulbs were in Perfecto boxes only.
> >
> 
> Yuck. Sounds like a great way to pay Perfecto some $$$. <rant> Why is it that the
> american market gets lighting after the rest of the world if at all?  </rant>
> 
> Anyway, I think I'll stick with T8s, but I'd like to get some recommendations for my 55
> gallon for medium to high light plants.
> 
> Questions:
> 1) Should I use 3 or 4 bulbs? (I was thinking of using 4 bulbs with two ballasts, each
> on a separate timer).
> 2) Can anyone recommend some bulbs they've had good luck with that would be great for
> plants and have a light balance that would be pleasing to the eye? I realize that some
> combination might be my best bet.
> 3) Would any ballast with a power factor > 1 or 1.1 be fine?
> 
> Much thanks.
> 
> - -- Stephen
> 
> ------------------------------