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HQI Metal Halides


>Date: Thu, 10 Jul 1997 15:34:08 +0000
>From: "Douglas W. DeSimone" <dwd3m at avery_med.virginia.edu>
>Reply-To: dwd3m at avery_med.virginia.edu
>To: aquatic-plants at actwin_com
>Subject: HQI metal halides
>Hello all,
>	I'm putting together a 150 gallon planted tank (60 x 24 x 24) that I
>plan to set up in an open top configuration.  I'm interested in
>communicating with folks who have practical experience with German HQI
>metal halides with the double sided contacts?  These lamps are used in
>some of the fixtures sold by Dupla, AB (Aquastarlight) and Giesemann. I
>remember reading somewhere that these are Osram bulbs (available at
>least in 150 and 250 Watts at 5400 and 10,000 K) but I haven't been able
>to find them (or something comparable) in the Grainger catalog. I'd like
>to identify possible U.S. sources and some info. on what is available in
>terms of color temperature, CRI and wattage.
>	I'd also be interested in information on appropriate ballasts and
>possible DIY hanging fixtures as well as opinions from anyone who might
>have experience with the Dupla LI, Aquastarlight or Giesemann fixtures. 
>I know the Dupla fixtures are insanely expensive but is anyone out there
>(from the USA) actually using them?  
>Douglas W. DeSimone         
>University of Virginia
>Department of Cell Biology
>Box 439, School of Medicine
>Charlottesville, VA 22908
>dwd3m at virginia_edu

Liberty is better served by presenting a clear target to one's opponents
 than by joining with them in an insincere and useless brotherliness.

           -Benedetto Croce