White plaque on dishes after washing in the dishwasher is one of the most common troubles for machine owners! And, if, for home use, this nasty effect is not so critical, then for the owners of cafes and restaurants it is simply a misfortune and sheer torment. Harmful visitors frown with disgust, they have to wash, and this is an overconsumption of electricity and water ... Therefore, let's urgently figure out why this is happening.
Three main causes of plaque formation on dishes
There are only three reasons, but that doesn't make it any easier. After all, by typing it is not so easy to find the main one from them. So here's the list:
- Technical difficulites
- Hardness of water
- Incorrect selection of detergents
It would seem that everything is simple. But, in fact, it is not at all easy! Each of these reasons has a lot of nuances and it is very difficult for a beginner to understand all this.
Therefore, we advise you to start your diagnosis with technical problems first. Of course, if you know for sure that yesterday the dishes were washed with a bang, and today, after changing the detergent, a plaque suddenly appeared, then the point is in it. Change it and be done!
But, if you have a new machine, and the very first wash disappointed you, or the machine is old, which always washed well, but over time began to leave a deposit, then the matter is more complicated.
If you have a machine for a long time, we recommend that you start diagnostics in the sequence shown in the table of contents.
If it is completely new, then you need to start with the points: "Poor quality of the detergent", "Incorrect dosage as the cause of the problem", "Water hardness and how to choose the agent", "Reducing the water supply pressure and how to deal with it."
See also - How a dishwasher works (basic principles)
Detergent compartment lid jammed and what to do
If before that the cover worked properly, then it is impossible to immediately notice this. They closed, left, but the pill does not even think to wash out properly. And from this, naturally, salt does not enter the ion exchanger.
And salt does not come, which means the water does not soften. And the white coating on the dishes is not the remains of the detergent, but traces of hard water.
If the cover is out of order, you need to call the master. By eliminating this problem, white spots on the dishes from the dishwasher will no longer bother you.
Reducing water supply pressure and how to deal with it
When the water does not come well, the machine cannot work properly. And, of course, the dishwasher leaves a white coating. Detergent is not washed out due to lack of water!
If you know that such a phenomenon takes place, then check this option. A high probability of a decrease in pressure can be if the water supply comes from an autonomous source, a well
Therefore, first of all, check the water pressure at the tap. If you clearly see that he is weak, then the reason is clearly this. Then it's worth dealing with the pump itself.
If, however, you have a central water supply and the water pressure is reduced, then you only have to wait for the moment when the pressure is normalized. Naturally, if this is a one-time phenomenon.
But, if this problem is permanent, then it is worth starting a fight against it. There are several options to resolve this issue:
- Cleaning the filter in front of the counter
- Oversized pipe laying
- Installation of the pump to increase the pressure
- Installation of storage tank and pumping station
Which of these methods is right for you, you need to decide on the spot and proceed from the situation.
Clogged spray holes or filters
It is impossible to give a general recommendation here, since there are a great many models of dishwashers. You need to take the instructions for your typewriter, find these parts and carefully study the removal recommendations.
Cleaning them is not a problem at all. As a rule, they are clogged with sedimentary deposits.
The ion exchanger is out of order
But this is already an expensive thing. It can fail only because you have misused the machine. Namely:
- Ignored the rules and did not add salt when washing
- Replaced special salt with another
If you know that such sins have been committed with you, then ... write letters.
Water hardness and how to choose a product
If your water has always been not too hard, but gradually you began to notice that the situation is getting worse, then the point is that the pipes at the common station wear out and the quality of the water suffers.
You can put a filter, of course. But, it’s not that cheap. Indeed, by and large, a slightly increased water hardness does not bring critical damage. And you can fight with white bloom by choosing the right product.
Rinse aid is a must if the water in your tap is hard. And, if, before that, you calmly got along without it, now the circumstances have changed and you will need to purchase.
Incorrect dosage as the cause of the problem
Here the saying is very suitable: "When there is a lot of good, it is no longer good." Do not exceed the recommended dose, as the product simply cannot be washed out completely.
Even if your dishes are too dirty, do not expect that a double dose will solve this issue. Better to wash at higher temperatures in this case.
Poor detergent quality
Well, here, as they say, no comment. We always recommend that you read reviews on the Internet before buying any powder.
After all, there is nothing more offensive to buy and throw away all the packaging with annoyance ...
We hope that now - white plaque on the dishes after washing in the dishwasher will not be a problem for you and you will be able to overcome it yourself!
