Originally Posted by jeroldharter
Not all PVC pipe is light proof from what I understand. If you used 36 inch wallpaper troughs, you could leave one end of the tube open and spin the tubes in the trough under safelight.
ABS pipe also comes in 8in diameter, and that should be totally light proof. Making a light trap might be troublesome, but is certainly possible. Just use on of the Unicolor tube as a template.
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