How To Maintain A Dishwasher With Hard Water
Hard water is water with a high concentration of minerals such as calcium and magnesium, and it’s detrimental to dishwashers, reducing detergent effectiveness and causing hazy clouding on glassware over time. Worse, using very hard water can damage the dishwasher itself.
The good news is water in Australia is relatively soft, but mineral concentrations do vary from region to region.
If your home has hard water you should increase the amount of detergent you use, and use rinse aid to boost washing performance. You should also run a cleaner/descaler thorough your dishwasher regularly, or whenever you notice a build-up of limescale deposits. Since most build-up is chemically basic, you need to use an acid to remove it. The simplest options are vinegar or citric acid, or you can use a commercial product.
You should also take preventative measures to reduce the impact of hard water on your dishwasher. The simplest solution, aside from regular descaling, is to switch to a detergent with a water softener.
A more permanent solution is to install a water softener in your home. Water softeners can demineralise and soften hard water, which is good for your washing machine, sinks, showers and sprinklers as well as your dishwasher.
How Often Do I Have To Clean My Dishwasher
Not to worry! There’s no need to dedicate all your free time with your head in the machine. Once a month you should do a deep clean including an alkaline wash and drain trap scrub, and once a week you should wipe down the panel and controls. Any time that you notice that the dishwasher is moldy, smelly, or not cleaning as well as it normally does though, the rubber gloves and get in there.
Clean The Dishwashers Exterior
Again, a damp cloth and a little dishwashing liquid can easily wipe away any food residue and assorted smudges. Most brands advise against using spray bottles, on the off-chance that liquid gets behind the control panel and into the electronics. If you want the front panel to really shine, there are tons of great products to choose from, depending on the finish .
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Tips To Keep A Dishwasher Clean Longer
- Stick to a regular dishwasher cleaning schedule. Or at the very least, do a cleaning as soon as you notice debris in the dishwasher and/or that your dishes aren’t getting clean.
- Rinse food waste off dishes prior to loading them in the dishwasher.
- Make sure no food stickers or other materials that won’t easily dissolve go into the dishwasher.
- Avoid overloading a dishwasher, so the water can easily circulate.
How To Clean Your Dishwasher Daily Weekly And Monthly:

Here’s our in-depth step-by-step guide to learn how to clean a dishwasher, whether you’re looking to de-gunk the gasket, filter or door or just do some daily maintenance to keep odors at bay:
The root of most odor problems is usually leftover food that has turned your dishwasher into a second garbage disposal. Get in the habit of cleaning any remaining bits of foods after each dishwashing cycle. Pull out the bottom rack and look for any leftover food that may have fallen into the well. Remove it with your fingers or a paper towel to prevent odors and future buildup.
GH Lab Tip: We generally don’t recommend that you pre-wash items, but do wipe excess food from plates, silverware, bowls and other items before loading them into the dishwasher. If you don’t plan to run a cycle immediately, rinse them quickly at the sink or run a Rinse Only cycle to prevent unwanted smells. Also, always remove any labels or stickers from jars you may be reusing before putting the item into the dishwasher to prevent them from clogging the filter.
To clean the door:
- Wipe away any residue and spots that may have splashed or settled onto the interior surface of the door, door edges, handle and dishwasher controls with a damp microfiber cloth or sponge.
To clean the door gasket:
- Gently scrub any icky gunk from the rubber seal using an old soft toothbrush.
- Wipe clean with a damp cloth or paper towel.
If you opt to take the DIY route to fight residue and buildup, go with vinegar in an empty dishwasher.
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Cleaning Leftover Food Particles
Why It’s Important To Clean A Dishwasher
Cleaning a dishwasher is a key preventative step in home maintenance. If you habitually put this chore off, unwanted residue like minerals, grease, grime and limescale will build up inside your unit. Over time, it will become less effective. compromising its effectiveness over time. In other words, your dishwasher just wont clean things as well. Think plates with stuck-on crumbs and cloudy wine glasses. And, its poor performance might lead you to pay for costly repairs that arent actually needed.
A dirty dishwasher can start to smell bad, which no one wants. So, for the sake of your future dishes and the current state of your kitchen, follow the tips below and clean your dishwasher on a regular basis.
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Look In The Spray Arms And Sump
If youve cleaned the filter and run a couple of self-cleaning cycles, and youre still having performance or odor problems, its time to check for obstructions in the spray arms and the sump .
The specifics vary by model, but most owner manuals provide instructions, and there are plenty of great tutorials on YouTube. Its wise to shut off the power and water supply before you start. And a few basic toolsincluding a screwdriver, pliers, a sewing needle may come in handy.
Wipe The Inside Of Your Dishwasher With A Soapy Rag
If you really want to go the extra mile, give your dishwasher walls a good wipe with a wet rag soaked in your favorite dish soap . Wipe down the interior of the door, especially the lip and the gasket , where crud may build up unnoticed. Any mold or mildew that had made your dishwasher its home should be long gone by now.
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Is Vinegar Bad For A Dishwasher
Plenty of people recommend using vinegar to clean a dishwasher, but beware. It’s best to avoid using vinegar to clean a dishwasher because it can damage the rubber seals and hoses in some washing machines, says Roman Peysakhovich, CEO of national cleaning company Onedesk . That could result in a leaking machine over time.
You might see that the manufacturer of your dishwasher has advised against using vinegar because it will affect the rubber used in the components of its model and therefore, unless the manual actually says it is possible to clean with vinegar, we strongly advise you to avoid it.
Read that you can clean a dishwasher with bleach? Dont use it either. It could cause damage.
Run A Dishwasher Cleaning Wash
Another answer to the question of how to clean a dishwasher is to run a cycle when the machine is empty a couple times a year.
Use a hot wash and it will get rid of food debris that can make the interior of the machine smelly.
Hot water can be sufficient to cleanse the machine, but you might want to use a dishwasher cleaning product for example those from from Finish or Affresh at the same time to remove limescale and grease from the appliance.
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How To Clean A Dishwasher With Natural Ingredients
You don’t have to head to the store to pick up the ingredients you need for cleaning a dishwasherthey’re likely already in your pantry! These natural dishwasher cleaners do the job well without harsh chemicals or odors.
- White Vinegar: Use white vinegar to clean the tub of your dishwasher. Place a cup in the middle of the top rack and fill it with vinegar. Run a dishwasher cycle on high heat, and wipe dry when done. You can also try this with lemon juice to remove water spots.
- Rubbing Alcohol: Rubbing alcohol can be used to clean the dishwasher exterior. Clean your dishwasher door and handle by adding rubbing alcohol to a clean microfiber cloth and wiping away fingerprints. If your dishwasher has plastic buttons, avoid scrubbing with acidic natural cleaners like vinegar as they can break down the material.
- Baking Soda:Baking soda works wonders as a natural cleaning agent. Sprinkle a cup of baking soda on the bottom of the dishwasher tub before running a hot washing cycle.
How To Clean A Dishwasher

You know what could use a little TLC? Your dishwasher! This often-overlooked appliance should be cleaned every six months. Learn how to clean a dishwasher with vinegar and baking soda in the following step-by-step guide. You’ll be amazed at the differenceyour machine will look brand-new and it will run more efficiently than ever.
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Best Products For A Cleaner Dishwasher
Between deep cleanings, give yourself a break by using dishwasher tablets that make getting a sparkling dishwasher as complicated as inserting a tab and pressing start.
Taste of Home editors popped Affresh Dishwasher Cleaner Tablets into their dishwashers, and when the cycle was over, they found a brilliantly clean interior. These tablets cleaned away all the limescale and mineral deposits that built up on the walls. The scent was mild and fresh, another big bonus.
The packaging says that you can use this cleaner in a regular dishwashing cycle with dishes. But testers recommend running the dishwasher empty, just to avoid compromising any delicate dishware. Overall, though, this product left dishwashers looking like new with minimal effort.
All in all, here are the tools to use in all stages of dishwasher cleanings.
How To Clean A Moldy Dishwasher
Our cleaning pros say you can follow the same steps as above to clean a moldy dishwasher. However, you’ll want to wear gloves and a mask for safety as you work. If the mold is pervasive, use a store-bought, mold-targeting cleaner instead of vinegar, baking soda, and soap. Also, let your dishwasher air-dry by keeping it open after the cycle runs. This further discourages mold and mildew growth.
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Check Your Dishwasher’s Temperature Settings
We’ve got one more tip for making sure your dishwasher is working its best: Set the temperature to 120°150°F. If the water is not at least 120°, its not hot enough to clean dishes effectively. To test your temperature, use the sink nearest the dishwasher and fill a cup of water with the hottest tap water possible. Place a thermometer inside and read the temperature. If its lower than 120° or higher than 150°, youll need to adjust your water heater.
Can You Really Clean A Dishwasher With Tang
The ’70s called and they want their sugary fluoro orange astronaut drink back. Well you might just want to hang onto that 25-year out-of-date jar in the back of the cupboard for a little longer, as we’re hearing rumours that it makes for a pretty decent dishwasher cleaner.
While it sounds a little far-fetched, and we must admit we haven’t tried it ourselves, there may be a bit of truth to it, as Tang is high in citric acid, which does do a decent job of cleaning your dishwasher, particularly if the problem is limescale build-up from repeated running with hard water.
According to a series of websites which all seem to quote each other, you should start a new cycle with your dishwasher empty, then after a couple of minutes, tip a tub of Tang in and let the dishwasher do its thing.
Like aspic dinner parties and other retro throwbacks Tang’s increasingly difficult to come by, in Australia at least, but so if you’ve got some sitting around you’ve got nothing to lose by trying it, or you can put it to work with one of Tang’s other uses, like making a variety of things orange, or causing diabetes.
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Run Dishwasher With Lemon Juice
Cleaning with lemon can work wonders. Place a cup of lemon juice in the top rack or basket of your dishwasher and run a normal cycle. The acidic lemon juice will work to remove hard water spots and iron buildup.
The best way to clean a dishwasher is by doing a thorough cleaning once a month and tackling smudges and splatters on the exterior as they happen.
Clean The Dishwasher Exterior
Keep the dishwasher door fingerprint-free by wiping the outside with warm, sudsy water. Or use a homemade dishwasher cleaner. Mix 1/4 cup baking soda with 1 quart of water. Avoid harsh cleansers or too-tough scouring pads that might scratch the dishwasher’s finish. When the door is clean, wipe it dry with a soft cloth. Wipe away tricky fingerprints and smudges with a little rubbing alcohol on a soft, dry cloth.
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How To Clean Dishwasher Exteriors
Mix 2 drops of dishwashing liquid in 2 cups of warm water. Dishwashing liquid helps remove dirt and stubborn sticky stains easily from surfaces. Soak a cleaning rag in the soap solution and wipe the exteriors of your dishwasher with it. Rinse off the soapy layer with a dampcloth.
You can also wipe down the exteriors of your dishwasher with a kitchen cleaner like Cif Kitchen Cleaner. Check the pack to understand the correct usage instructions.
How To Clean Stainless

Say goodbye to streaks and smudges with our top DIY and store-bought cleaning methods.
Youll also need to clean the exterior of the dishwasher to keep it looking its best. Follow these tips if it’s made of stainless steel.
Three cheers for easy chores! While the dishwasher runs itself, make sure you clean these other spots in the kitchen you might have forgotten about.
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How Often To Clean A Dishwasher
Several brands recommend thoroughly cleaning a dishwasher on a monthly basis. And that means cleaning the entire interior, door, gasket and filter.
If you only use your dishwasher occasionally or prewash your dishes, you might not need to clean it that often, but dont let it go without a cleaning for longer than six months. On the other hand, if you put your dishwasher through the wringer on a regular basis, you may want to consider cleaning it more frequently than once a month. If you arent totally sure how much attention your dishwasher needs, start cleaning it as a monthly chore. Then, after you have a better sense of how dirty your dishwasher actually gets in a months time, you can adjust your cleaning schedule.
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How To Clean The Outside Of A Dishwasher
This not only keeps your kitchen looking spick and span, it helps keep corrosion at bay. Clean your dishwasher’s door and fascia with a soft cloth and hot soapy water , paying attention to corners, handles and around the controls. Glass cleaner works wonders on grime and fingerprints on stainless steel. For fully integrated appliances, clean the fascia as you would the rest of your cabinetry.
While not strictly outside the dishwasher, your door seals should also get a wipe down with a soft damp cloth this helps keep mould and foul odours at bay, and clears away any obstructions which could lead to the door not sealing properly.
Optional Step Bleach Wash
If youve been struggling with mold and/or mildew in your dishwasher, adding a final bleach wash to the cleaning process should take care of it. To do a bleach wash, add 1 cup of bleach to the bottom of the dishwasher and run a full wash cycle.
Repeat the steps outlined above every 3 months or so and you wont have to search for how to clean your dishwasher again plus it will keep it working effectively!
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