Darkroom Ventilation Project

In this video I describe the installation and configuration of the darkroom ventilation system. It essentially uses a PVC pipe that runs the length of the sink with holes drilled on the underside that draws the fumes right from the trays. I use a
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[@johnhigginson5079]

That's a great solution, I'm building my DR now and this is going to the ventilation system, Thank you.

[@smallcutebat]

Nice looking darkroom. Do you store working solutions in those doran tanks? How long do they keep in there?

[@lightdark3729]

I store stock solutions of DEKTOL, D76 and Kodak Hypo Clear. I usually finish them within 2 - 3 months with no issues. They have floating lids so not much air gets to them

[@christinefitzgerald2787]

What is the ventilator called and what is the output in terms of CMF?

[@bencooper4883]

Hi - im almost done setting up ventilation in the same way you have - how large did you drill your holes in the PVC pipe please?

[@lightdark3729]

I believe I used a 1/4" bit and the holes are about 2 inches apart.

[@bencooper4883]

also - why did you position the holes straight downward? Why not 90 degrees horizontal, or 45 degrees diagonal?

[@lightdark3729]

I put them straight down so they wouldn't be visible. It seemed to me that the important thing is to get the air flowing and it does that quite well

[@hipomiska9246]

Nicely planned and precise work! May I ask how long it took to set up the entire darkroom (with sink and all) and the ventilation system altogether?

[@lightdark3729]

I had a contractor build the room in my unfinished basement. That process took about 2 months because I had to get permits for construction and electrical. No need of a plumbing permit because the water supply and drain was already there. I built the sink and enlarger table myself while the room was under construction. It is a work in progress.
The ventilation system came about a year after I finished the darkroom and only took a day or so to install. I did that when I had to empty the darkroom to refinish the sink.
I am constantly coming up with ideas and improving it.