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Joined: 12 Feb 2005

PostPosted: 2005.03.07(Mon)15:55    Post subject: foil Reply with quote

is it safe to put tin foil in a flourecent fixture is a reflector?
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Joined: 11 Nov 2004

PostPosted: 2005.03.07(Mon)16:52    Post subject: Reply with quote

I think that you would better off just using a high gloss paint. something with a high shine. I tried using the foil it made little or no difference. but hey what do I know!
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Joined: 07 Feb 2003
Location: Ontario, Canada

PostPosted: 2005.03.07(Mon)17:21    Post subject: Reply with quote

yes tin foil is fine and works well.

I have no idea where the misinformation came from the tin foil isn't as good at reflecting light as white paint but it isn't accurate.
Certain white paints reflect less light than smooth tin foil. Many white paints tend to yellow with heat and age and with that you lose PAR.

Wrinkled tin foil can create hotspots, white paint with titanium oxide can reflect a lot of infra red. The result in the hobby world is this general misunderstanding of reflectance. Generally speaking, becasue of human error, white paint is better than aluminum foil.

The best is polished aluminum, reflectance of 95%.

If you are looking for a cheap, easy error free DIY reflector buy mylar or use the inside of potato chip bags.

If you want the best, buy annolux and bend the mcdonalds M, Smile

seriously though, glue the mylar into the hood, hth
Discus Man is gone... I remain... #6... I am not a number I am a free man!
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Joined: 06 Mar 2005
Location: Hatfield Broad Oak, England

PostPosted: 2005.03.23(Wed)14:51    Post subject: Reply with quote

Plastic mirror works Verry well. I have this in my 6ft tank hood..and its light wieght.
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