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summary: The creator argues that most dishwashers are designed to use a pre-wash dose and a main wash dose of detergent, a fundamental often ignored by single-
by 383toast 11mo ago
summary:
The creator argues that most dishwashers are designed to use a pre-wash dose and a main wash dose of detergent, a fundamental often ignored by single-dose pods, and presents independent ASTM testing confirming the new powder matches or exceeds the performance of a leading premium pod. The video also features a detailed demonstration using temperature logging and peanut butter to stress the importance of purging cold water from the hot water supply line before running a dishwasher, particularly in North America, to ensure the water reaches the optimal enzymatic temperature needed for effective cleaning. This is further reinforced by showing how adding pre-wash detergent dramatically improves the initial cleaning phase, especially with fats and oils.
- suprjami 11mo agoThanks for the summary. American dishwashers don't have their own heater? All dishwashers I've seen in Australia only have cold water supply.
- midnitewarrior 11mo agoThey do, but they are generally confined to 10 amps, so they do not heat quickly.
- Rebelgecko 11mo agoAmerican dishwashers are typically hooked up to hot water. Some will have heaters but they're not that powerful and they may only run for the main wash cycle
- brianwawok 11mo agoNot true. Dishwashers get cold very often.
- tenacious_tuna 11mo ago...what's not true? I can't tell what you're disagreeing with.
- sgerenser 11mo agoAmerican dishwashers are always hooked up to the hot water supply. It’s right in the installation manual, and I’ve never seen one that wasn’t.
- devilbunny 11mo agoThey do. I didn't realize this until my natural gas supply company decided to replace my meter on a Friday. Without alerting me ahead of time so that I could, you know, plan to be gone while my house had no hot water. Whenever natural gas supply is turned off in the US, for any reason, only the gas company can turn it back on. And they can't do so if there's a leak at all. You have to call a plumber to come out, detect the leaks, and fix them. After that, you can call the gas company to come back out (but not on a weekend) to turn it back on. And a same-day request for service requires someone to be home ALL DAY after it's called in. And this is how I ended up showering at work for three days that week after not having had one over the weekend.
- thomascountz 11mo agoAs an American expat, I will use this story to explain some of the indignities of living in America. Thank you for sharing.
- devilbunny 11mo agoEvery country I have ever discussed with its residents has something that, on its face, is a reasonable safety precaution (I definitely don’t want to blow up my house), but in practice is just a way to make your life miserable while helping the people who work there have an easier day. This just happens to be the one that affected me. Like modern gas water heaters that have electric ignition instead of pilot lights, because the one serious reason to have gas water heaters is that they work when there is no electricity. Now it’s just a price distinction.
- ajb 11mo agoMy parents used to have an old cooker which rather than having a spark button, had individual pilot lights for all of the hob burners and the grill. My mother was forever worried about whether one of the damn things had gone out (which they occasionally did). I think if you switched the supply off, switched it on again, and someone has left their house for a week, it might build up a significant amount of gas. Although they are supposed to be small enough not to. Presumably there were hardly any of those left now, but they can't assume they're all gone.
- vel0city 11mo agoA dishwasher cycle is usually only going to run for a specific period of time. Its more effective it if starts that time closer to the proper temperature rather than relying on waiting for the heater to get the temperature up to that time. Especially on the pre-rinse cycle, where the heater may or (probably) many not engage.
- reaperducer 11mo agoAmerican dishwashers don't have their own heater? Some do, some don't. The ones that do vary in ability by overall dishwasher quality. The ones that don't are hooked up to the kitchen's hot water line. This is considered more energy efficient because a home's hot water heater (whether electric, gas, or another fuel) is better at heating the water in a bulk capacity than a tiny heater in the dishwasher. The downside is that the cold water between the big water heater and the dishwasher has to be purged first for it to be really effective. If your hot water heater is in the other side of the wall, no problem. If it's six rooms away, problem.
- WheatMillington 11mo agoHot water from the house supply isn't that hot though? My dishwasher gets MUCH hotter than the hot water supply... and I don't think the heater is "tiny" I think it's a rather substantial element. The dishwasher also doesn't need to heat up a "bulk" amount of water, just the amount of water used for washing the current load of dishes.
- reaperducer 11mo agoHot water from the house supply isn't that hot though? Depends on how you have it set. My current and previous hot water heaters had thermostats which permitted adjusting the temperature. They also had warning labels on them about scalding water. If it's hot enough to scald, it's hot enough. The dishwasher also doesn't need to heat up a "bulk" amount of water, just the amount of water used for washing the current load of dishes. If you're washing dishes and someone is, or has recently, taken a shower; or someone is, or has recently, done laundry; or someone is, or has recently shaved or done any of the other dozen things that draw from the hot water heater, then the water is already hot and available and doesn't need to be heated all the way from cold by the dishwasher. A properly insulated hot water heater can retain heat for quite some time.
- nomel 11mo agoMy cheap GE dishwasher uses a hot water line, but also has an internal heating element to "boost" it, and help dry. My electric bill definitely suffers if cold water is used.
- WheatMillington 11mo agoSame in NZ, never seen a dishwasher with a hot water connection.
- Titan2189 11mo agoIf you check the manual you might find that you can hook the single inlet pipe up to the hot water tap.
- SchemaLoad 11mo agoI feel like it's probably pointless. The dishwasher will be full of water before the hot water starts coming out the pipe. Depending on how far the dishwasher is from the water heater I guess.
- tguvot 11mo agohttps://en.wikipedia.org/wiki/Circulator_pump#Use_with_domestic_hot_water https://en.wikipedia.org/wiki/Circulator_pump#Use_with_domes...
- Gigachad 11mo agoThis seems like something that only makes sense when water is scarce but electricity is cheap. You’d be constantly losing heat to the poorly insulated pipes.
- tguvot 11mo agoI have all hot water pipes insulated in my house
- maxerickson 11mo agoPeople who do it more or less don't care about the price of energy (except maybe in the abstract). It's for comfort and convenience.
- 11mo ago
- mrandish 11mo agoSome US washers don't but many do. However, US washers tend to not heat water as quickly or to as high of a temp. The video cites two reasons: 1. US power being 110V vs 220v. 2. US dishwasher heating elements being limited to 800 or 1000 watts because many are designed to potentially share one 20A residential circuit with an oven and/or fridge due to possibly being retrofitted into a kitchen built before built-in dishwashers were standard and manufacturers not wanting to create different models for retrofit vs new installs.
- beerandt 11mo ago3) manufacturers placing energy star improvement quotas over safety in programming the cycles.
- lawlessone 11mo agoThe energy star stuff isn't unique to US dishwashers though.
- masklinn 11mo ago> share one 20A residential circuit 15, dishwasher manufacturers can't assume the dishwasher is on a 20.
- dylan604 11mo agoThis plus the comment about sharing a circuit with an oven. If the oven is electric, even in the US it is 220v. If it is gas only, then it could be 120v as it only needs to run the igniter and other circuitry without running any heating elements.
- bcoates 11mo agoI think he said sharing a circuit with a fridge, which are generally 110 in the US -- i think this is how my apartment is wired (2-phase 30A to oven dedicated, one 20A for the whole rest of kitchen) Trying to run a resistive heater on the same circuit as a fridge compressor without tripping leans towards very conservative wattage
- alvah 11mo agoThis has always struck me as dumb, as until recently it was far cheaper to use your existing (gas-fired) hot water than to use a resistive element. However, with gas going out of fashion (and already hugely expensive in the Eastern states), and abundant solar PV, the calculus has changed.
- selcuka 11mo agoThe problem is that the first few litres of the water coming from the hot water pipe may be cold or warm. Therefore adding a resistive element is a better solution to guarantee a specific temperature.
- seanmcdirmid 11mo agoGas (especially just in time) still works well for water heating even if you can use heat pumps for everything else. No sure when that will flip, I assume it will eventually.
- alvah 11mo agoGas is already outlawed for new builds in Victoria, despite vast gas resources in the Bass Strait. Presumably that's the direction other states are heading too.
- seanmcdirmid 11mo agoIt was a direction some states in the USA were heading before Trump, but now… anyways there will come an economic/technological point where electricity just makes more sense like it does for almost everything else. No need to legislate a transition when one will happen naturally, but we aren’t there yet.
- totallymike 11mo agoI can’t speak to Australian dishwashers, but trying to skip the video by catching a summary has failed you. Heating is discussed extensively in the video
- fsckboy 11mo agotraditionally (in household washing machine time) US houses were large and had a lot more hot water capacity for the whole house, and putting a heater into individual appliances was not necessary/cost effective. retrofitting old traditional houses (especially stone) with higher capacity plumbing was expensive and infeasible, so putting heaters in appliances was a cope for markets that needed it.
- mattclarkdotnet 11mo agoQuite, another thing to add to the list of USAian weird exceptions.
- graemep 11mo agoMy fairly cheap dishwasher in the UK has its own heater, but you can attach it to a hot water supply, which may save money as gas is so much cheaper than electricity.
- tguvot 11mo agoi have miele dishwasher with detergent powder cartridge that allows dishwasher to dispense it at will. it never used during pre-wash cycle in any of the programs that dishwasher has.
- tmsh 11mo agoInterestingly the Gemini summary is nowhere near as good. But when it is... how helpful will that be! So many things with a very good summary will save so much time / avoid having to dive into unless truly in need of the details. But the quality of the summary - and maybe the ability to expand it if slightly more details are required - and the low latency with that - are all super important. In that sense, AI can potentially save a lot of time in getting the right information quickly.
- alvah 11mo agoI summarise YT videos with Gemini all the time. You can easily control the length and depth of the summary & get it to focus on particular things etc, before investing time in watching it, only to find out it's promotional, superficial, clickbait, or some combination of all 3.
- tmsh 11mo agoGood to know! Thanks.
- poutrathor 11mo agoDoes Gemini really does a good job at detecting promotional video ? For example, that one video discussed in this post is one huge promotion for his friend product but it is actually built in a way that clearly appeals to nerdy audience. The video boasts the rigorous testing, provides scientific explanations, nerdy jokes, etc. What Gemini says about that ?
- alvah 11mo agoI don't directly ask it if the video is promotional, but you can usually get a sense from the way the summary is written.
- losvedir 11mo agoThis has been his stance for a long time. He has a lot of dishwasher videos for some reason! One thing I can't get a good answer to is whether the "prewash" step is universally the case or not. I have a good Bosch dishwasher and there's no compartment for a bit of pre-wash detergent. I don't even know if my dishwasher cycle has a pre-wash step. I would assume the dishwasher manufacturer knows what's best. The owner's manual gives advice about not pre-rinsing the dishes because the food bits actually help the wash cycle, so I'm wondering if it works differently from the two-step process in this video.
- woodpanel 11mo agoPods have become so ubiquitous that many companies ditched that powder compartment altogether. But you don't need one anyways just pour it into the cabin. The video explains why there always is a pre-wash step. Regardless of whether it comes with a pre-wash-powder compartment or not. I will try his solution.
- tonymet 11mo agoit's inverted. the closing soap compartment is the washing step, the pre-wash tray contents can just be dumped.
- pineaux 11mo agoI have installed several dishwashers for friends and find them fascinating. All of the ones I have seen basically dumped the contents of the closing soap compartmens as soon as it started washing. Some dishwashers (looking at bosch) even have a little tray in the upper drawer that catches the pod.
- kiwijamo 11mo agoIt depends on the cycle for some. Mine one doesn't do a prewash for the 45mins QUICK cycle. But the ECO cycle does follow the normal prewash-then-wash process as described in the video. Hence I normally use the ECO cycle and put the correct amount of powder in both components. However in a hurry I sometimes just use the QUICK cycle and only use the main component as I know there is no point in adding more. The manual explained all this.
- woodpanel 11mo agoI've micro-optimized my dishwasher setup to have all my 100+ pods and other in-bulk dishwashing-chemicals stored in a compartment between my two dishwashers. I'm also firmly in the camp of having a flat cutlery compartment at the top and not that inefficient, and uncivilized, scarring, basket in bottom section. Until seeing that video I thought I was crazy. I've found my master.
- koolba 11mo agoYou have two dishwashers in one kitchen?
- tzs 11mo agoI recall reading, I think in a comment here long ago, of someone who did that. He had just enough items to fill one dishwasher. By having two he could use one for storage and one for cleaning, with the two alternating roles. I.e., he started off with all his things clean and in dishwasher A. As he used things he pulled them from A and put them in B. When B is nearly full and A is nearly empty, run B, move any remaining items from A to B. Then B becomes the storage space and A becomes the place to put the dirty items.
- buzzardbait 11mo agoJust in case one of them asks for a divorce
- woodpanel 11mo agoYes, i do. The idea was that it keeps the kitchen cleaner, because there's no more gross kitchenware that didn't made it into the dishwasher. Always wanted that. Then saw it in practice at a startup once, and then finally gave it a go. There will be instances when both are just full and you still end up visible filth, but even then, you at least have to go just once into clear-out mode. It works out great so far. If it didn't... well, I guess I'd need to buy a third one ;-)
- matt-attack 11mo agoI never understood the requirement for having to preheat your pipes. The dishwasher has access to a hotline, and a drain. Why wouldn’t it just run the hot water for 60 seconds to ensure it has maximum heat. This would just be a software feature, and cost nothing on their part. It seems so arcane for the operator to have to do this before running a cycle
- Telaneo 11mo agoThere are regulations on water usage for dishwashers. That purge would eat into its water usage. Yes, purging the cold water manually does exactly the same thing. We live in a flawed world.