Where to pour salt in the dishwasher Bosch

Where and how to put salt in the dishwasher

The dishwasher is a daily help to housewives, taking care of all the fuss with dirty dishes. Thanks to the powerful “shower” and special detergents, plates, glasses and all cooking utensils are cleaned to a shine. In addition to dishwashing detergents, dishwasher owners have to buy special salt. it is produced specifically for these machines. Let’s find out where to put salt in the dishwasher, how often it should be done, and why it is needed at all.

When the kitchen helper is bought, it remains to know how to properly use its services. Even the best dishwashers on the market. Bosch, Hansa, Electrolux, Ariston or Siemens. need care and will break down quickly if used incorrectly. For them to work properly for a long time, it is necessary to provide them:

  • Quality detergents. They come in the form of gels, powders and tablets. A separate category is rinse aid. without it, the dishes will be left with streaks and smudges. Several functions can be combined in tablet preparations. 3, 5, 10 There are tablets, which are positioned as “all in one”.
  • Salt. you will have to buy it separately, if you use conventional powders or gels for the washing machine. If the water is too hard, even tablets, which already contain salt components, don’t help.

The role of the product in the operation of the appliance

Understand why the dishwasher needs this product, you can look into the kettle, which has not been washed for a while. Do you see limescale flakes? And if those ions form in a dishwasher‘s cleaning system, it’s time to write it off!

The main water treatment system in such machines is the ion exchanger, in which chlorine ions retain metal ions from the water when it passes through the system, and do not allow them to settle. But after removing metals from the system chlorine ions can not regenerate on their own, so they need to be replenished regularly, and this is what a special salt for the dishwasher is designed to do. And the harder the water in your area, the more carefully you need to monitor the presence of salt in the tray, if you do not want the equipment out of order.

And what if the water in your area is not very hard?? You might be able to avoid the extra cost of dishwasher salt? Unfortunately, no. Even in water of moderate and low hardness there are admixtures of metals, and, although the formation of scale will be less rapid, your indulgent attitude towards the care of technology will certainly affect in a few years. The product can not harm the machine in any way, and prevention, no matter how you look at it, is always cheaper than repair or complete replacement of the equipment.

Yes, 3-in-1 tablets already contain detergent, rinse aid, and salt, and in some instructions you can find information that their use eliminates the need for additional detergent. But the hardness classification of European countries producing machines does not coincide with ours, and often what we have water of medium hardness, they will be considered very hard water, unusable. That’s why it’s better to add dishwasher salt, even if you use tablets, just in smaller amounts.


If you live in a region with very soft water, the tablets may be enough, but masters often advise pouring a little product even in this case: this way you can maintain the work of the ion exchanger and not let it clog.

How to add Salt to a Siemens Dishwasher to prevent Limescale build up

How to Determine the Water Hardness of Your Water? If your dishwasher doesn’t come with a rinse strip, you can check the numbers for your area online or use laundry soap for a test: the more it foams and takes longer to rinse, the gentler the water. You can also judge if you need extra salt by the results after washing: if the dishes are dull or have white streaks on them no matter how much you rinse, then you obviously need to add more salt.

Does your dishwasher need salt??

When you buy a dishwasher, the consultants tell you what kind of care products you’ll need. But why a dishwasher needs salt, they often don’t explain it, or they use too much “abstruse” language. It’s really quite simple.

We all know that the dishwasher heats the water to 45-90 degrees. At this temperature, the impurities in the water form a sediment. The appliance gets covered with limescale and soon breaks down. To protect the parts of the appliance, manufacturers use an ion-exchange filter. Resin is the main filtering component. It triggers the process of exchanging heavy metal ions into lighter. This stops them precipitating.

Over time the ion exchange resin in the dishwasher‘s filter loses its cleaning power. To restore it, you must replenish the sodium ions. This is what salt, sodium chloride (NaCl), is used for.

How often should I put salt in the dishwasher?

How often you need to fill the salt reservoir depends on the Mg and Ca concentrations in the water and how often you wash the dishes. According to owner feedback, if the water hardness is average and the dishwasher is turned on daily, the reservoir needs to be filled every 5-6 weeks.

How the water hardness level affects the salt consumption

The higher the concentration of Ca and Mg salts, the more often you have to add salt to the dishwasher. But in soft water, it can be avoided altogether. There are dishwashers where the water hardness value is set manually. To find out this value it is necessary to measure the hardness of the water. To get the most accurate data, you can send a liquid sample to a laboratory. But this is quite a laborious and time consuming process. It’s easier to use test strips sold in pet stores and home improvement stores. The strip is placed in the water, and it changes the intensity of its color according to the concentration of Ca and Mg salts in the water.

Why do you need salt in the dishwasher?

All dishwashing machines (Hansa, Siemens, Bosch and others) are equipped with an ion exchanger. It is a box that is located under the tray of the machine. Inside the box are sodium ions that neutralize the harmful effects of potassium and magnesium ions. Water passes through an ion exchanger before entering the dishwasher compartment through the sprayer. Harmful impurities are attracted by the ions, so that the dishes are washed with soft water.

What is the salt for and how does it get into the water? Over time, the ionizer is depleted, the ions are washed out. Therefore, you should periodically put salt tablets in the compartment. They replenish the amount of ions for normal dishwasher operation.

Advantages of using salt for washing machine:

Do I need salt when washing with tablets?

When you first own your dishwasher, you’re still figuring out what kind of detergent you’re going to use. You might prefer powder. so salt is definitely needed. And if washing with combined tablets?? They already contain rinse aid and salt. why add extra salt??

If the water in your area is soft, crystals are also useful: turn off the softener by setting it to zero. The salt will keep the ion exchange resin in place for years, and no limescale will ever form.

In medium to very hard water, always use crystals! And adjust the ion exchanger settings. This will allow you to alternate detergents. powder and tablets without problems.

Loading salt for the first time is a responsible and uncomplicated process. Even if you slightly mistake when adjusting the softener or have not put enough crystals in. it is important to know that there are crystals in the softener compartment. The dishwasher will tell you when to add more. watch the gauges on the panel.

How to know when it is time to add

The easiest way is to watch the salt indicator light on the appliance control panel. It’s marked with an S icon and usually looks like the one in the photo. Some brands have a very bright red light, like my Bosch, but some have a dim, pale yellow glow and you have to look closely.

A special sensor controls the display. It is built into the ion exchanger of the machine and monitors the saturation of the salt solution. It is triggered when the concentration falls below the allowable values: the indicator lights up on the panel. a sign that there is not enough salt in the dishwasher, and until you add it, it will constantly light up.

What to do if there is no indicator

When there is no special light on the scoreboard, you will have to remember to refill yourself. write down the date on a self-adhesive sticker and place it where you keep the detergent.

How to Add Dishwasher Rinse Aid to Bosch Dishwasher

Also observe the quality of the dishes you wash. It is time to add salt when you notice one of the signs:

  • Cloudy glass, white drops, or milky residue on dishes. If this problem is solved by hand-washing, it means that the salt solution in the softener is not concentrated enough, the resin of the ion exchanger cannot be fully regenerated.
  • Dishes cannot be cleaned thoroughly with multilayer tablets. If the water is hard (above 21 °dH) with combined detergents, salt must be used. the salt in the detergent is not enough to soften the water.

It is the cleanliness of plates and the shine of the glass which tells you when it is time to “top off” your helper. If there is an indicator, you can also not wait for it to light up, and add detergent when the quality of washing deteriorates. How often is the water hardness?? Every month or once a year?

How the salt consumption is related to water hardness

To reduce the water hardness, in the construction of the washer-dryer the manufacturers provided the ion exchanger. There is a resin inside it that neutralizes all harmful impurities. they can form a fouling on the heating element and other parts when water is heated. Inside the ion exchanger simple chemical reactions involving ions take place. it is not necessary to understand it thoroughly, it is enough not to ignore the manufacturer’s instructions.

If, passing through the ion exchanger, water loses its hardness, why do we use additional means?? The salt is called “regenerating salt” because it has the power to restore the balance of substances in the resin.

Ways to find out how hard your water is

There are several ways to determine the hardness of your water:

  • With the naked eye. Take household soap and soap a piece of cloth (rag) with it. If the cloths do not wash well and are hard to rinse. the water is very hard.
  • Watching. Watch how quickly plaque builds up on faucets, plumbing fixtures and other places in contact with water from the faucet. With high stiffness, plaque quickly “sticks” to surfaces.
  • Using the test strip. Accurate and fast option.

Warning! Hardness is a seasonal phenomenon. To get an accurate reading and calculate the salt consumption, check every 3-4 months.

Read more about determining hardness in a separate article.

How often you need to add salt to your dishwasher is easy to determine? First, read the instruction manual of the technique. it describes the process in detail and step by step. So, for example, the Bosch (Bosch) machines have up to 7 levels of hardness for fine-tuning the technique. When the salt supply is depleted, the control panel will trigger a red light. When using capsules, the light is easy to turn off. so it doesn’t bother you, select “0” from the suggested hardness levels.

Even in Bosch machines (as well as Siemens or Electrolux), setting the hardness to “0” does not always help to bypass the ion exchanger. If you ignore the manufacturer’s recommendations, do not buy salt, and use only tablets, the ion exchanger can get clogged by impurities coming from the water. This can cause serious damage to your appliances.

Using salt, not only will you get perfectly clean dishes and soften the water, but it will also protect the components of the machine from premature wear and tear.

To learn more about the nuances of using salt in the PM, watch the videos:

pour, salt, dishwasher, bosch

A young mother, a wife, and a part-time freelancer. Being a lawyer by education, I got used to collect and give the fullest and most reliable information. Constantly improving in her professional field and striving for personal growth and development.

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