De-yellowing results

Chuck Guzis cclist at
Sun Aug 30 20:17:46 CDT 2015

On 08/30/2015 05:55 PM, Tothwolf wrote:

> Wrong type of UV. You are mostly getting long wave UVA outdoors, so
> blacklight lamps would seem to be the correct (and MUCH safer) choice.
> When I looked at 24" T8 bi-pin blacklight lamps, they were going for
> about USD $10 per lamp.

Oh, but there's that aitch-nu thing--I suspect that the UVC lamps would 
do the job very quickly.   I recall that someone tried the de-yellowing 
process with UV LEDs and got nowhere fast.  So probably UVB at a minimum.


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