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This is the BBC, but as a N. American dishwasher user, I'm struggling to translate the advice on soap/detergent. "Table" and "salt" are two terms that aren't linked to dishwashers in the middle of N. America. We've got "pods" (bad, manufacture specifies how much soap to use, also kids eat them), and we've got rinsing agent. You get a little bottle of rinsing agent with your dishwasher, and you never put it in again. It's magic.

Why would I put "salt" in my dishwasher? The article makes that additive out as preventative maintenance, and I don't think that's true of sodium chloride.

> You get a little bottle of rinsing agent with your dishwasher, and you never put it in again.

Speak for yourself. I use rinsing agent regularly, and need to refill it every few weeks.

Why would I put "salt" in my dishwasher?

TFA has the answer, it's to soften the water:

'Special dishwasher salt, meanwhile, helps to "soften the water preventing lime scale build up and those horrid white marks on glasses."'

In the U. S., if hard water is a problem then the house probably has a whole-house softener, and "dishwasher salt" isn't necessary.

It's a European (maybe rest of the world) thing.

It's interesting how different dishwashers are in US and Europe. Two main things for me:

- Salt: European dishwashers have embedded water softeners and you add salt once in a while. Only super high end ones have it in US.

- Water heater: European dishwasher expect to receive cold water and they heat it internally; US ones expect hot water and only partially boost the temperature (sometimes). That's why you have to run hot water before starting the dishwasher

Always wondered how we ended up like this...

i gave up on stacking - no matter what i do, i get passive-aggressive comments from my wife

'raccoon on cocaine' she calls it :)

Oof, that scraped up frying pan in #5 should have a trigger warning.
I had some really, really bad dishwasher-related fights with my wife and daughter. With that in mind, I found the "right way" last fall when I stopped trying to optimize loading the dishwasher and waiting to run it until it was full.

I call it "dishwasher anarchy". It gets loaded haphazardly throughout the day, run at night, and emptied the next morning.

It really, really offends my sensibilities.

Stuff is in the "wrong" place. We are using a lot more detergent. I assume we are using a lot more energy and water.

I also haven't had any dishwasher-related fights with my wife and daughter since we started this new protocol. I guess it's a win.

Mad Raccoon here. I resolved the arguments by insisting that people nest-stack their dirty dishes on the kitchen counter so they don't fall off the fucking counter and break. However, I haven't managed to break them of the habit of stacking dirty pans and pots at the back of the stove. My ADHD mind just doesn't see them there for some reason, and running out of clean pots/skillets has not been painful enough to them to change their habits. By the way, it's a six-burner Wolf that came with the house, and there's always room for more dirty dishes at the back. I would love to replace it with a four-burner induction, but that's a remodel job I'm trying to put off.
> Modern dishwashers use a turbidity sensor to detect how dirty the water, and therefore the dish, is.

That’s a fun word.

US NOAA: “Turbidity is a measure of the level of particles such as sediment, plankton, or organic by-products, in a body of water”

Other definitions focus on it being a measure of the clarity of a fluid.

Article is wrong. Tablets/pods are silly. The most important thing to improve dishwasher performance is to put detergent in the prewash compartment as well as the main compartment, which you can't do with pods. Second most important (maybe North America-specific) is to run the hot water in the sink to flush the cold water out of the hot water line before starting, so the first fill of the dishwasher uses hot water.

More than you ever wanted to know: https://www.youtube.com/watch?v=jHP942Livy0

Not the insights I was expecting.

Thought it would be some fluid dynamics and an actual pattern to stack. Not generic life hacks.

And. Don't pre-rinse, is outright is wrong.

If the turbidity meter is causing this effect, then the washer is wrong. There should still be a min time, regardless of turbidity reading. To think the plates aren't getting clean because the water is too clear is crazy. No washer works this way.

Hate to be that guy, but I'm not sure this is an HN worthy article to be honest. It's a listsicle that covers the title for a minority of its points.

Perhaps one could look at this recent Technology Connections video and its accompanying blog for a more insightful look: https://www.youtube.com/watch?v=jHP942Livy0

Alternatively, perhaps a direct link to the video from this article is in order?

Why is this on HN?

Oh right because it's "interesting".

Maybe, but showing anyone other than your worst enemy this is likely to cost you your friendship. (Divorce if married).
Step one: don't use a dishwasher. I haven't since I left home a lifetime ago and don't miss it. IMHO for a small family it's mostly security theater, and hand washing only a bit more than the rinsing before loading the dishwasher is all that is needed. Sterilization is overkill. Maybe I'll rue that choice when I contract some horrible bacterial disease.
They lost me at "use tablets", that's plain bullshit.

Tablets are probably the worst waste of detergent. A cheap crappy store bought powder well used beats tablets. Lookup the Technology Connections deep dive on dishwashers.

If the dishwasher smells or we are out of forks, knives and spoons, I run it. Don’t really care how it is loaded.