this post was submitted on 27 Oct 2023
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My biggest tip is to not be stingy with dishwasher usage. If you already have one, use it always.
I never got this. Maybe it's because we don't have or want children, and are only us two. But dishes take me ten minutes every day. And I have a bunch of higher quality things that can't go into a dishwasher anyway. If I had the space, is probably still get one, but I just don't see how saving 7 minutes a day is a big thing.
I live alone and cook one time per day. Dishes takes me like 2 minutes since I just shove everything in the machine and come back two hours later not just to everything being clean, but also heat sanitized. The only things you can't put in there are knives, as well as nonstick and wooden items. I would personally hate cooking if I had to scrub every item by hand afterwards...
Also, both ceramic and carbon steel pans, and my SS bowls would IIRC lose their shine if machine washed.
I guess I don’t mind 10 minutes of cleanup instead of ~4 that much when cooking itself is a 30-60 minute thing.
Absolutely, this is a personal thing. I've found myself not buying things that are incompatible with the machine as much as possible so I don't really have that issue
And some things I just toss in there anyway. My Wusthof knifes for instance are not carbons steel and don't have wooden handles, and my machine has a neat spot that secures it perfectly upright so the edge isn't touching anything. I have been doing this for years and observed no noticeable downside.
If it's worth to purchase a dishwasher... it varies a lot given each ones own priorities and situation.
If saving X minutes a day is a big thing or a small thing... it also varies a lot given how you value your time and how much you enjoy dishwashing by hand. I know a few people who love to do it; no need to take away that joy for the sake of efficiency.
But for the vast majority, if you have a dishwasher idle, those are some minutes you get back practically* for free.
I also cook only for two, but I do it three times a day, and I have a lot to do so I value each minute saved in chores immensely. My dishwasher has been a blessing, without it I would be eating out or ordering delivery MUCH more frequently.
I don't enjoy it, but I guess I also don't mind it that much. And I only cook once a day. Mornings are usually cold, evenings only my wife eats and that's warned up. So dishes are just those 10 minutes, once a day. That's about 2-4 songs playing on the kitchen speaker ;) if I had to do the dishes middle time a day, I'd probably like it less as well ;)
About that. I know of one study done in Europe on this, and it was paid for by dishwasher companies, and didn’t exclude outliers like the guy who used about 400L of water doing the dishes by hand.
I once measured water and power usage of me doing the dishes by hand, and it was both below what I found online for dishwashers.
If you do 2-stage cleaning (soapy hot and cold clean water), then dishwashers will be better because they don’t. Amount and source of hot water governs if you are more energy efficient. The advantage of dishwashers is that a badly used dishwasher is far more efficient than badly (= wasteful) handwashing, and even efficient handwashing is not much better than dishwashers (though I wouldn’t know how to calculate production and recycling of the dishwasher itself, not even what order of magnitude that is). Which was, as far as I remember, also in the conclusion of the study, unless there has been another one since then.
It's plausible that handwashing uses less electricity, specially if you let the machine heat-dry the dishes. But water? If you do the comparison against a fully-loaded machine, no way. Modern machines use half the water from machines of 15 years ago, and those were already competitive against handwashing. Best case scenario for handwashing (single water bath) still uses about twice as much water. Dishwasher detergent is stronger and the machine takes longer so it has more contact time, the chemistry heavily favours using less water for the same amount of gunk to dissolve.
In your case, as you already mentioned you only cook once a day and you don't want to degrade your high end stuff in the machine, it's reasonable that you won't generate dishes enough to fill the machine. If you would be using a half-loaded dishwasher then it is plausible that you would use less water handwashing, but it's still a close call - which is why I sometimes use the machine filled 1/3 without worry.
Give me a number. I use 6-8 L of water no matter how many dishes I have. From what I read, that’s about in line with the most efficient dishwashers.
You did say earlier that you cook once a day, meal for two. When I do that, all dishes for the day take a third of the maximum load on my machine, so I could wash once every three days, therefore averaging like 3 L per day tops? You handwashing every day are spending 6-8L daily which is more than double.
If it is true that you can spend <8L for an arbitrarily large amount of dishes, though, then I guess there must be an amount of dishes that you will outperform a dishwasher. They cannot handle an infinite amount of dirt, unfortunately. If you hand wash every 7 days you will be averaging less than 1L a day which really does sound unbeatable.
I really don’t understand why people get so aggressive when talking about their dishwashers.
One of many of life’s mysteries, such as why people get defensive about their water usage due to handwashing.
Only I wasn’t, and I didn’t insult you. But I have no more interest in discoursing with you.
When would you not use two stages? Is it an option to leave the dirty soapy dishwasher on there?
The soapy water cleans off when drying and leaves them clean. Two stages are wasting water, and extra work.