I agree!.....My personal view is that you should have to hang on to the sink because it is blowing or sucking so hard.......
I use a water stop followed by a simple
(thiosulphate and sulphite only) fix. Consequently,
the only "chemical" smell I can smell in my darkroom is
the sulfur in my tap water.
I've got a very small (new!), completely unventilated darkroom, ...
Comfort apart, how important is it for me to install a vent fan?
Personally I think ventilation concerns are over blown and an
impediment to some who other wise would have a darkroom
up and running. Dan
Another point to bear in mind with regard to fans is that of noise. If possible mount the fan(s) remotely and duct the air to and from it.
This is a great thread, especially for me right now. I'm in the process of building my darkroom. and i know i need ventilation. I myself cannot smell most of the chemicals in the darkroom (years of repeated exposure to much worse I'm sure) But i don't want to take any chances for either myself or my family. I was planning on adding two fans (bathroom ventilation type) above the sink. but this thread is making me think. should i mount them on the ceiling or on the wall , like at a 45 degree angle. on the wall is more difficult, but if the wall will make a considerable difference I'll put them there.
My darkroom is also very small but its in a house with 40" thick sandstone walls and no windows, so I haven't considered installing any sort of ducted ventilation system so far. I use a Nova upright processing system and so there don't seem to be a huge amount of fumes around but I was wondering if anyone has any experience of using the Filtair type of filtered system rather than an expelling of ioniser type system? They seem pretty expensive new but I'd like to know how well they work and whether they might represent a good alternative in my particular situation?
Graham
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