As a assistance firm we are permanently asked, "Why doesn't my dishwasher clean better". To this query we offer the following insights and suggestions.
Whenever we diagnose a "poor cleaning" complaint the main things we want to know are:
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1)Is the water hot enough, 2)are you using a proper detergent, 3)
are you using a rinse additive, and 4) your loading practices.
1 Water temperature
Most manufacturers recommend a minimum 120 Fahrenheit for the dishwasher to begin the cleaning process, 140 to take off food soiling, and 155 to sanitize and take off bacteria. In restaurants they boost the dishwasher climatic characteristic to 180 Fahrenheit to satisfy condition requirements. Consumers misunderstanding these requirements have led to problems for the household dishwasher.
In a dishwasher the climatic characteristic of the wash water is paramount. Unfortunately, It is now coarse to find household water temperatures of 100 Fahrenheit, or less.
Many population have lowered their household water climatic characteristic in an exertion to be conscientious consumers. Yes, it lowers electrical consumption. Unfortunately it has other consequences.
Manufacturers say it does not supply enough heat to clean dishes properly and can leave them covered in bacteria and food residue. Supporters of lower water temperatures claim it is both environmentally friendly and indispensable to safe children from any possibility of scalding at bath time.
One of the latest ideas is a mixing valve added to hot water tanks. It is preset and will not allow temperatures in excess of 115 Fahrenheit. It does this by mixing cold water with the hot to maintain this preset maximum.
This debate over hot water tank temperatures has resulted in a catch 22 type scenario. Lower the climatic characteristic to lower consumption and be more child safe, but end up leaving bacteria on the plates we use to eat.
Low water climatic characteristic can also work on the cycle length. If too low the dishwasher may keep stopping to try and heat the water. A general cycle of 40 minutes could be extended to 2 or 3 hours with all the heating delays. Some dishwashers may stall completely.
2 Using proper detergent
We always recommend you use a name brand detergent. A good detergent is always worth the price. So stay away from those that are super inexpensive, or ones that claims to clean the dishes plus all things else in the house. If unsure, ask your neighbours what they use.
Gel or crystal, the option is yours. Both seem to work equally well. Whichever form you prefer the one thing we always stress is, "when you find one that works for you stick with it ... Even if it costs more than others".
Crystal is less messy, while gel will dissolve quicker with the water. If your water climatic characteristic is low (as described above) gel may be a option because it will mix better.
If using crystal detergent be aware that it can pick up moisture from the air. When this happens it will swell up and come to be lumpy or harden. These lumps will be difficult to break down and will not fully dissolve. If at cycle's end you see detergent left inside it may be evidence of hardened crystals.
Additional evidence of moisture buildup can be seen if the box itself appears to be swollen. If seen, replace immediately with a fresh box.
A box of detergent should be consumed within 2-3 months. If not throw it away and buy a new one. Match the box size to your needs. Do not buy a large box just because it is on sale. If you have to throw most of it away, it wasn't much of a bargain.
Some detergent manufacturers now offer a product that combines the detergent with the rinse additive. Others offer a detergent that includes a extra grease-dissolving agent. Still others are in a tab form, or inside a dissolvable plastic pouch.
Also dishwashing detergent and dishwasher detergent are not interchangeable. Trying to do so will cause problems. Each type of detergent is formulated to do a specific job.
"Dishwashing detergent" is the one used to wash dishes in the sink is. It is without fail not meant for the dishwasher. Anything who has ever mistakenly put it into the dishwasher can attest to the mess this will produce. The beating operation of the water will produce heavy amounts of suds. This results in the dishwasher flooding out the door and over the kitchen floor.
So the moral of this tale is: "Don't confuse dishwashing with dishwasher".
3 Rinse additive
This is something that gets forgotten once the free sample bottle that came with the dishwasher has been used.
Its job is to make the water run off the dishes faster so they can dry quicker. Without it there would be exiguous beads of water on all things at the end of the cycle. Glasses especially would appear to be water stained or be left with a gritty residue. So if poor cleaning is a problem, check the rinse additive level.
But remember, only one or two drops are added per load. A few ounces of rinse additive lasts a very long time. Such a long time those customers often think it is not being added, and blame the additive for problems it has nothing to do with
To refill, look on the dishwasher door for a cap or plug that is removable. It is often overlooked because the time between fill ups can be months. Also, the appliance manufacturers could help solve this problem if more of them added some sort of "Hey, I'm empty" indicator.
Frigidaire dishwashers have a neat exiguous indicator. Right next to the soap dispenser is a clear plastic eye that changes colour when the additive is empty. So every time you add detergent to the machine you also see this eye staring back at you. White if empty, and black if full. Simple, effective, and smart.
4 proper loading
Lastly, don't forget that how you load the dishes can drastically work on how well they are cleaned.
Proper loading will allow the water to drill all the nooks and crannies. Try the following suggestions:
· Cups and glasses on the top rack with bottoms up
· Plates on the lowest rack all facing the same direction
· Bowls whether rack, but all facing the same direction
· Utensils in the utensil owner in a mixed fashion (some knives, forks, spoons together in each compartment) to allow gaps between them
· Large items, such as a spatulas, laying down on top rack
Placing the dishes and utensils in an orderly manner actually does make for a great wash. It allows the water sprays to drill the dishes thoroughly. Try it ... It works.
The analogy I offer customers is: If you were going on a car trip would you pack the car efficiently, or just open the doors and throw all things inside so that the passengers had to fight with the luggage. I think you get the picture.
Dishwasher efficiency
If your dishwasher is having a mechanical problem the ensue may show up as poor cleaning. Anything from low water pressure, broken pump, not draining fully, or even a blocked filter could be the cause.
So how do you know if the machine needs repair? You don't. But, by checking all the former problems first a lot of the more coarse causes of poor cleaning can be actually eliminated.
Also, you have probably heard this a million times before, but before telephoning for assistance read you owner's manual. It can contain some indispensable information. It will ordinarily give you a checklist of items to test before calling for service.
Summing up
You now know what is needed to make the dishes come out of the dishwasher sparkling clean. Hot water, good detergent, rinse additive, and proper loading practices. That's it - that's all. supply all four of these things to the dishwasher and your cleaning success is guaranteed.
So load up the machine, go get yourself a liquid refreshment, put your feet up and let the dishwasher do all the work.
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