It's great to see you posting again, Doc "Pinworms"!!! [EMAIL PROTECTED] wrote: > > I am not Doug, nor do I play him on TV, but Fe is the chemical symbol for iron. > > Keith > > [EMAIL PROTECTED] wrote: > > Doug thanks for clearing that up! Any idea what the FE stands for?Russel > > ----- Original Message ----- > From: "Doug Johnston" > To: > Sent: Wednesday, 23 January 2002 5:24 > Subject: Re: [Gecko] UVB rays and glass > > > Russel... > > > > Close, but no cigar!!! You're mostly right, though. It is iron that > > affects the passing of UV rays, but it's actually glass with more iron > > that passes it rather than the other way around. Special lights that > > generate UV spectrum light are basically the same as their commercial > > counterparts, but the outer shell is made with high-FE glass. FWIW, I've > > been told (never tried it) that if you're building especially for > > something that requires UV light you can special order high-FE glass for > > very little more than normal glass. > > > > Russel Traher wrote: > > > > > > It depend on the 'type' of glass. Most glass used commercially for the > > > production of windows/aquariums will filter most (and in most cases all) > > > UVB. I've been told it's the iron in the glass that does not let UVB to > > > pass through. Generally most aquarium glass lids are made from the same > > > 'cheaper' glass (which contains iron) and won't allow any UVB through. > > > > > > Hope that helps > > > Russel > > > > > > ----- Original Message ----- > > > From: "Robert Gundy" > > > To: > > > Sent: Monday, 21 January 2002 10:28 > > > Subject: [Gecko] UVB rays and glass > > > > > > > Will essential UV rays needed for animals filter > > > > through glass? Two examples: If a fluorescent UVB bulb > > > > is put on top of an all glass tank, will the glass top > > > > filter out the essential UVB rays? What about sunlight > > > > through a window? > > > > > > > > Any help on this would be greatly appreciated. > > > > > > > > http://www.geocities.com/reptiluvr > > > > > > > > __________________________________________________ > > > > Do You Yahoo!? > > > > Send FREE video emails in Yahoo! Mail! > > > > http://promo.yahoo.com/videomail/ > > > > > > > > > > > > ########################################################################### > > > > THE GLOBAL GECKO ASSOCIATION LISTSERV > > > > WebSite: www.gekkota.com Archive: > > > [EMAIL PROTECTED]/ > > > > The GGA takes no responsibility for the contents of these > postings. > > > > > > > > ########################################################################### > > > > > > > > > > > > -- > > Doug Johnston > > > >
-- Doug Johnston
