Filter for a washing machine in bad water: with hard water and for water purification

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Filter for a washing machine with hard water
  • What's this?
  • Does water soften by reducing water hardness?
  • How is water purified?
  • Types
  • Installation
  • Advice for choosing

The inside of the washing machine is constantly in contact with the tap water. On the one hand, this can not be avoided, since otherwise washing is impossible, but on the other hand, the impact of hard chlorinated water affects the state of fragile devices. As a result of deposits of lime, rust and other substances, a breakdown of any mechanism may occur. Especially from this suffer the heating element, the drainage system and the bearings of the drum.

The consequences of hard water for a washing machine

All modern washing machines are equipped with filters that are designed to prevent small debris from entering the device, but against bad tap water they are often powerless. For information on how to protect the machine from malfunctions caused by poor water quality, read below.

What's this?

Many families use filters that purify tap water. There are many varieties of such devices - from devices that are installed on the pipe, to attachments to the tap and special jugs. All this was invented so that we could drink tap water without worrying about our health.

However, not only our body needs protection, but also household appliances, which are often exposed to aggressive action of hard water. To extend the life of washing machines and dishwashers, additional, built-in filters were designed to soften the tap water.

Water filter for softening water entering the washing machine

Does water soften by reducing water hardness?

It is believed that the softened water from which the calcium and magnesium salts are removed is harmless to the metal and plastic elements of the washing machine. Scum is formed precisely because of the hard salts forming on the internal parts of the aggregate, forming a hard coating.

Cleaning filters not only prevent the appearance of scale, but also collect grains of sand, rust particles and other small debris that may be in the water pipes. Thus, passing through the filter, the water becomes cleaner and softer, which reduces the chance of breakage.

New and used water filters

How is water purified?

Most often for household appliances, filters are used that purify water mechanically. Mechanical cleaning is the transmission of water through a "sieve" consisting of several layers of various materials and substances. Typically, water passes through several stages of purification, on each of which particles of different sizes settle, depending on the diameter of the holes in the sieve. As a filler for a mechanical filter, adsorbents( for example, activated charcoal granules) are usually used.

Types of

There are several types of filters that effectively purify the tap water entering the washing machine:

  • The backbone is a wide-range filter designed to purify all water that enters the apartment;it is installed directly on the pipes, so the washing machine takes already filtered water.
  • Deep cleaning is a filter that is used directly for washing and dishwashers;it is installed in front of the filler hose;it is believed that this kind of filters cleans well, but practically does not soften the water.
  • Polyphosphate - these filters are designed specifically to eliminate water hardness;as a softening agent is used sodium polyphosphate - transparent crystals, resembling grains of salt.
  • Magnetic is a modern device, which, according to the manufacturers, softens the water, affecting it with a magnetic field;it is installed over the filler hose;whether such a filter really helps - a controversial issue, so experts do not advise buying it.
Trunk filter for washing machine with hard water
Filter for deep cleaning for a washing machine with hard water
Polyphosphate filter for washing machine with hard water
Magnetic filter for washing machine with hard water


Filter Type

How to install?


To install such a filter, you must first cut off the water pipes. Then in the area after the meter and the shut-off valve, you need to cut a small piece of pipe in place of which to mount the filter.

Deep cleaning

This filter must be installed during the connection of the washing machine to the water supply. From the pipe, it should be concluded for the stylalka with a separate tap. A filter is attached to the terminal, and a filling hose is attached to it.


Installed in the same way as the deep filter.


This device is installed very simply. According to the instruction, it should be fixed on the filling hose with the help of special fasteners that come in the kit.

See a small video tutorial on installing the filter, directly on the washing hose of the washing machine.

Tips for choosing

  • If you decide to purchase a main filter, pay attention to the model "Geyser 1P".He collected a lot of good reviews, as it perfectly protects household appliances from corrosion caused by bad water. The cartridge is made of foamed polypropylene.
  • A prefilter called "Aquaphor Stiron" is enough for about three hundred washes. The manufacturer assures that this device allows you to use less detergent and discard the means against scale.
  • Polyphosphate filters also deserve attention. Customers' confidence was won by water softeners from Geyser and Atlantic producers.
  • According to experts, the optimal( albeit the most costly) solution will be the installation of just two filters, one of which is designed for water purification, and the other is for its softening.
Water purification filter Aquaphor for washing machine
Two filters for cleaning and softening water for a washing machine
Filter Geyser with hard water for washing machine

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