[Jewelry making - Article 00520] - Re: [Orchid] Best sink for small jewelry studio

[Peter W . Rowe]

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>     So I would recommend the plastic or composite laundry sinks they
>     sell at the home improvement stores for $40. If you are going to
>     hook it up to the sewer system I recommend getting one of those
>     special traps that the bottom snaps out in case something goes down
>     the drain you want to get back. 

    if you're working with precious metals, you might consider adding a
    componant. The drain from the sink can run into a modestly sized
    covered plastic garbage can, the pipe running into one side of the
    can just below the top. (cut a hole, insert pipe, seal with silicone
    sealer, etc.) The at the other side of the can, maybe slightly lower
    but still high up on the can, another pipe is the lead to your actual
    drain, the sewer, or whatever. This added can becomes a settling
    tank, and sludge, polishing compounds washed off hands, and
    whatever, settles to the bottom of the can, and can eventually be
    sent to a refiner. At our shop, we're using a setup that's actually
    two such cans/tanks in series, which improves recovery. About every
    five years or so, there's enough sludge settled out to be worth
    digging out of the can (a seriously smelly and messy job, I might
    add) and sending in. Work, yes, but the returns seem to justify it... 


Peter
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