I would like to thank Josephine Cochrane of Illinois. I’d like to, but I can’t. She’s been dead for more than a century. But if I could, I’d thank her for inventing the dishwasher. Personally, I’d give up just about anything before my dishwasher.
I’ll admit to being a stickler when it comes to properly washed dishes, glassware and utensils. If they come out spotted, gritty or cloudy I’m not happy.
If your dishwasher is not turning out beautifully clean, cloudless, spot-free, sparkling dishes, pots, glassware, and flatware—without handwashing them first—don’t assume the dishwasher is broken. If it runs, you can make sure it runs well. And you can stop that pre-washing.
Years ago before we remodeled and sold our home in California, I’d lived with a low-end, plain wrap, well-used, 18-year old dishwasher. All was well until I began noticing that it was just not doing well. Dishes came out feeling gritty, glasses were streaked and cloudy, food remained stuck to flatware. Ugh. It was really bad. I assumed my Tappan had lived out its useful life and deserved to be put down.
Not feeling up to a kitchen remodel right then (you know how that goes … new dishwasher cries for new cabinets and that means new countertops which leads to new flooring … ), I set out to find a solution. I learned the problem wasn’t the dishwasher so much as it was the owner operator.
At a total cost of about nine bucks and a crash course in dishwasherology, I had good ol’ Tappan working like new in no time. And I didn’t resort to pre-rinsing. I still refuse to pre-rinse.
Just like a car, a dishwasher needs routine maintenance. From time to time you need to get rid of limescale, soap scum, iron, and grease that builds up in your dishwasher. You may be able to see stains and another crud, but much of this is hidden in the hoses and other out-of-sight places.
Your dishwasher needs a monthly “acid bath.” You can do this with unsweetened lemonade Kool-Aid, Tang powdered drink mix or a product called Dishwasher Magic or Affresh. All of these products contain citric acid.
Dishwasher Magic and Affresh safely and effectively remove lime scale, iron, soap scum, grease and food stains that build up inside the dishwasher. Unlike the drink powders, Dishwasher Magic also kills 99.9% of germs and extends the life of your dishwasher while improving its cleaning performance.
If you use the drink powders, fill both detergent cups with Tang or pour one package of the lemonade powder into each of the cups. Run the empty dishwasher through a complete cycle. If you opt for Dishwasher Magic follow the package directions.
I credit Dishwasher Magic with getting another 6 years of service out of that Tappan dishwasher.
To effectively clean dirty dishes, a dishwasher needs 140 F. water. And it must enter the dishwasher that hot. If you raise your water heater temperature, beware of the hotter water’s potential for scalding at sinks, showers, bathtubs and in your washing machine. (You can get scald protection devices for sinks and tubs that children use.) The single most important factor in getting good results is hot water. Water should enter the dishwasher at 140 F*. If your dishwasher is newer, it may have its own in-line water heater. Check your manual.
It’s difficult to beat the Cascade lineup of powdered products, but Costco and Walmart store brands come pretty darn close. Gel detergents of any brand, however, are troublesome. They create more problems than they resolve.
Gels contain chlorine bleach, never really rinse off the interior tub, clog the detergent dispenser, don’t work well in hard water and leave spots—in my opinion.
I recommend that you stick with fresh powdered automatic dishwasher detergent, like Cascade Complete. It loses its ability to clean properly when exposed to humidity and air. Unless you are a heavy user, don’t opt for the largest box of detergent and never store it under the sink.
Do not rinse
Scrape food to remove all the chunks, but don’t pre-rinse items for the dishwasher. Automatic dishwasher detergent is highly alkaline and needs the acidity of the food to reach optimum cleaning action. Besides, rinsing wastes time, energy and water.
I’ve done a lot of experimenting but have not found a reasonable substitute for commercial dishwasher detergent. In a pinch, I’ve used a 50/50 mix of borax and baking soda with acceptable results. But on a regular basis, it does not produce good results.
A rinse additive like Jet-Dry improves the sheeting action of water and leaves dishes sparkling clear, but it can be pricey. Hint: White vinegar is a reasonable substitute. Fill your rinse additive dispenser with straight white vinegar. Occasionally toss in a cup of white vinegar to the last rinse.
It takes between 6-10 gallons of water to run your dishwasher compared to 9-24 gallons you would consume doing them by hand. So give yourself a break and let your dishwasher do the job Josephine intended for it to do.
*Caution: Water in excess of 120 F. can cause scalding in children and elderly adults. If your dishwasher does not have its own heating device, take proper precautions by installing anti-scald devices or consider installing an in-line water heater for the dishwasher.
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