[Darkroom] Sink table

Lilia Markham liliakai at gmail.com
Thu Aug 5 00:18:56 UTC 2010

I feel our current sink is on the small side. The larger sink lets us
process things in trays in the sink (even for large format stuff) rather
than on a countertop. Every darkroom I've seen follows this convention. It
makes it no biggie if you spill things and minimizes time and effort during
prep and cleanup.

I know there was at some point a suggestion to build a work surface with a
lip that drains into the small sink, which would be great but I think
getting a longer sink is a lot easier..

I also think the extra 3" depth would do more good than harm.

So to recap... Vinyl sink has 2 yays (me,miloh), 1 nay (Kelly), 1 "not
strongly opposed" (Ben),  and 1 maybe (Sean?)


On Wed, Aug 4, 2010 at 4:58 PM, Ben Rupert <meowdip at gmail.com> wrote:

> So the vinyl sink is probably okay for most things that would be safe to do
> in the darkroom.  It's stable to most common acids and bases in reasonable
> concentrations and most moderately strong oxidizers like peroxides.  It has
> terrible performance for organic solvents, but I wouldn't recommend using
> most of them in the darkroom anyway.  Those require a fume hood, not just a
> well ventilated room.  The only solvents that would be reasonable to use in
> that room which vinyl is incompatible with are acetone, ethanol and
> isopropanol. The first and last are nail polish remover and rubbing alcohol,
> respectively and I assume that you all know what sorts of things you find
> ethanol in.  These will pretty much dissolve the sink.  On the other hand
> the stainless steel will be stable to these but eventually corrode with acid
> or bases.  Although this can be minimized by pouring these solutions into a
> stream of running water to dilute them (although I donlt know if we can pour
> these down the drain at all or need to collect them in chemical waste
> bottles and dispose of them separately).
>    I am not strongly opposed to the vinyl sink since we can probably figure
> out other ways to deal with those few solvents which might destroy it.  I
> think the size might be an issue though, that space is really tight.
> Ben
> On Aug 4, 2010 4:24 PM, "Sean Cusack" <sean.p.cusack at gmail.com> wrote:
> As far as general chemistry goes, vinyl should be OK for stuff that is OK
> to be poured down the drain anyways. Also, its going to be acid resistant
> whereas stainless steel is not which is probably most important in the
> foreseeable future.
> 27" is only 3" longer than what the currently planned space for the table
> is...don't know if that really kills it or not.
> My big question - does this particular sink offer us some benefit that the
> stainless one will not (i.e. is there a really cool reason for us to get the
> defacto darkroom sink instead of the one thats already sitting in the
> space)?
> Sean
> On Wed, Aug 4, 2010 at 4:14 PM, Kelly <hurtstotouchfire at gmail.com> wrote:
> > > More alsoer, 27" dee...
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