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Korkusuz1 OP t1_jagppou wrote

I’m in Australia, so we have Bunnings which are the equivalent and essentially have that sort of pipe piece available, I had just read with double sinks that one should directly go to the exit, and the secondary sink should attach to that main pipe. The piping would be slightly different in that configuration if you could imagine, but if you’re saying the first suggestion works I can do that.

I just don’t know how to get a proper slope from the 90 degree pipe bends, the connector pipes would be horizontal before hitting the Tee piece from both sinks. I thought it might be a minor issue, but if not I might head with your suggestion. Thanks.

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FreeXFall t1_jahvmro wrote

If it’s perfectly horizontal or even slopes a tad the wrong way, it’s not really an issue. If you don’t use it for a few days it could start to smell, but once you use it, any of the water that was sitting will flush out.

Saying that, to get a slight downward slope - cut one of the tailpieces to be slightly shorter than the other. Just a small amount is enough to give a slope. (Tailpiece goes from the metal sink drain to everything else).

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Ok_Gate_7323 t1_jalaixv wrote

Handyman I assume?

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FreeXFall t1_jalas2v wrote

No, but I take that as a huge compliment. Our first and now second house have both been fixer uppers. Lots of nights and weekends fixing or watching YouTube’s. Plumbing is something I actually really enjoy (I think it’s all the pieces so it’s like adult legos). I hate electrical though - I have large hands and just fumble with the wires.

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Ok_Gate_7323 t1_jbig2hi wrote

That is a handyman.

The reason it begins to smell is because it is not draining properly. Water will eventually make it up hill when you backpitch a pipe, but it leaves behind the gummy stuff like toothpaste, oils and soap. This sits in the backpitched pipe building up and closing off the drain. The smell is because it is decomposing right there in your drain.

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