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Glow in the dark tape


hjoseph7

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In my dark rooms, both at home and my photofinishing plants used glow-in-the-dark tape without incident. Additionally, In electrical outlets, I placed dim "panel lessons" night lights made by GE. These glow a dim green. Never had a problem with b&w or color films of all types.
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Cut some photo paper or film in a couple of pieces - place one as near as "usual" to your particular "glow in dark" substance. Wait

 

Keep other piece in paper safe or whatever. no exposure

 

Develop and compare.

 

You can make it more elaborate by controlling time, distance, sensitivity of medium, etc...

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  • 4 weeks later...

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