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8 ways to clean pipes from blockages

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The main reason to think that it is time to clean the water pipes is a weak pressure of water. If this is all over the riser, the point is a centralized system. But if the neighbors do not have such a problem, then it has a local character. And before you clean the water pipe at home, you need to familiarize yourself with all the technological features of this procedure.

Causes of pipe clogging

The main reason is growths on the inner surface of the pipe. This is especially true in houses of old construction. A sharp drop in pressure is not observed. This is a lengthy process, but from some point on the pressure becomes insufficient. As a result, the washing machine, boiler or column cannot function normally.

A sharp drop in pressure is due to one of the reasons:

  1. The formation of limestone deposits, which is introduced into the water by the municipal services on the DFS as an antiseptic.
  2. Corrosion. The rust that forms in the pipes can grow to the extent that it blocks the access to water.
  3. Natural salts. This refers to the natural impurities contained in the water, even if it comes from a well or well.
  4. Damage to the filtration station. Suspended solids entering the system accumulate in bend metrics, fittings, valves, etc.

The result is always the same - the lack of pipe capacity, pressure reduction, lack of pressure. However, there are methods that allow you to clean yourself.

Home Pipe Cleaning Methods

The whole process consists of the following steps:

  1. Determination of the blockage.
  2. Disconnecting an apartment from a centralized system.
  3. Elimination of blockage.
  4. Installation of the system with connection.

You can block the entrance yourself. But if there is no valve, you will have to look for plumbing so that it covers the entire riser. The technology for cleaning water pipes from deposits varies depending on the causes and symptoms:

  1. The pressure is not enough for the normal operation of household appliances (dishwasher and washing machine, boiler or gas boiler). It is necessary to unwind the strainers, replace or brush them.
  2. Pressure has fallen on all taps and consumers. Checks the main input, filters of the water treatment system. They can be replaced or treated with special compounds that corrode salt and lime deposits.
  3. The jet in one of the mixers is weak. You need to remove it, and clean the strainer. It is not worth it to seek from faucets that they work properly after 5 years. Once every five years, this element is subject to replacement.
  4. Water does not reach any of the consumers, but there is no problem at the entrance. This is the most difficult case when you have to disassemble the system completely and clean the pipes in stages until the blockage is eliminated.

In the latter case, it is extremely difficult to determine exactly where the system is impassable. Therefore, you need to focus not on the symptoms, and take other measures to clean the water pipes yourself. If the procedure initially seems complicated and impossible, you should immediately contact professional plumbers.

How to clean the pipe yourself, if you could not find the blockage

One of the technologies is applied:

  1. Tapping system. All cranes open. Throughout the entire length from the entrance to all consumers, the pipes are tapped. As a result of vibration, rust, salt deposits and other hard growths fly off. The pressure of the water will wash all the garbage. This method of cleaning water pipes involves the subsequent cleaning of strainers.
  2. Household chemicals. All consumers are cut off from the system. Special compounds are introduced into the system, the active elements of which corrode everything that interferes with the free passage of fluid through the pipes. After 2-3 hours, you need to drain the water through the tap, and you can use the water supply.
  3. Cable cleaning. For this, a special braided metal cable with a winding mechanism is used. It is supposed to shut down the system with further depressurization. The brush at the end of the cable during rotation disrupts the deposits of rust and deposits. Residues are washed by the pressure of the water through the tap.

Thinking about how to clean the water supply, do not forget about the hydro-jet method. In this case, a powerful jet is directed into the uncorked system under high pressure. She then breaks the blockage. Pressure is generated using a hydraulic compressor. Industrial models are connected to the 380 Volt mains. Household - to 220 V. In any case, this is a separate expensive installation.

The method is highly efficient, but it is problematic to use it in an apartment or house, because after working in the premises there is too much dirt. And not everyone has a hydraulic compressor. And all these methods apply only to new communications. Too worn pipes with chemistry and mechanical means can be completely destroyed.

When to call a specialist

There are a lot of reasons to refuse to clean the water supply yourself:

  1. No funds available.
  2. Not enough skills.
  3. The house is old, and the pipes have never changed.
  4. Unable to determine the actual cause.
  5. No tools, etc.

In any case, it is better not to take risks if you are not 100% sure that you can handle it. But prevention is available to everyone.

Preventative measures

Preventing a problem is always cheaper than fixing it. And the point is not that the house can be old. New buildings are connected to the same worn-out communal system, and it is not necessary to expect that the quality of water among the residents of a new apartment building will be better.

Through the pipes laid at the sewers, the garbage migrates to the residents, being weighed in water and picked up by pressure. But if earlier pipes with a large diameter met on the way, then in the wiring this "garbage" can form a blockage, even if it has been laid recently. The new pipeline does not reduce the danger, since no filters are installed at the entrance to the house (riser).

It is the filtration station of rough cleaning that will completely solve the problem. The filter must be installed at the inlet before the “dirt” gets into the meter. The only element that can stand in front is the shutoff valve. This is necessary to maintain the filter, which consists in periodically cleaning the screens or replacing the filters. If done in a timely manner, the risk of clogging will be negligible.

Separately, it should be noted that the introduction of preventive measures contributes not only to this. It is enough to put a filter, and the service life of the pipeline will be increased. How much It depends on the efficiency with the number of degrees of purification. Ideally, the water will be cleaned of bacteria, scale, solids, chemical contaminants, harmful impurities. The growth will not form.

Method 1. Cleaning pipes with boiling water or hot water

Perhaps this is a measure of first aid, which is often enough to eliminate blockages.

  1. If the pipes are steel, pour about 1 liter of boiling water into the drain hole and wait 20 minutes. To clean the plastic pipes, just let the hot water from the tap for 20 minutes as well (water temperature should not exceed 60 degrees). A not too tightly plugged cork should drain into the sewer.
  2. We check the result by letting a small stream of water. Did not help? We try another method.

Method 2. How to clean pipes from clogging with a plunger

  1. Tightly plug all overflow openings in the sink with a wet rag to block the passage of air and provide a hydraulic pole.
  2. Press the plunger to the drain hole, then sharply pull it onto yourself. We repeat these steps several times in order to properly “stir up” the cork and break it into small parts.
  3. Check the result by releasing a small stream of water.
  4. We start the flow of hot water for several minutes so that the cork safely leaves for the sewer.

  • If there is no plunger at hand, and the blockage is not too complicated, then you can replace it with a glass or a rag. The actions are the same: we press to the sink - we pull out sharply.
  • If you have a two-section sink, then you need to have two plungers and use them simultaneously. That is, cleaning the drain in one bowl of the sink, you need to close the drain in the second. This will create greater suction power. If there is no second plunger, then close the second drain hole with a damp cloth and press it by hand.

Why are the water pipes clogged?

Basically, the water pressure is reduced due to deposits on the walls of the pipes. Plastic products, which are still part of a common riser with metal, are no exception. Most often, blockages form in the places of such joints.


Rust, exfoliating whole layers in old systems, begins to spread evenly throughout the inside of the water supply. Despite the fact that flushing water pipes is a rather difficult process to implement, it is better to implement it immediately, when the first prerequisites arise. This will not only bring the entire system into normal order, but also make it possible not to return to this issue for the next 12-15 years.

Effective ways to remove internal deposits

How to clean a water pipe at home? Such work begins with the localization of the site where the blockage occurred, which will make it possible to significantly simplify the entire procedure. In addition to the internal surfaces of the pipe, filters, points of taps and valves, and also areas equipped with hot and cold water meters can become a place for clogging.

The most harmless reason for reducing the pressure of water is the garbage that clogged the strainer. Such devices are usually included in the set of washing machines, counters, columns or mixers, mounted directly in front of the above devices. To solve the problem, it will be necessary to dismantle the filter and rinse it with a stream of water: if the total pressure after this has returned to normal, then this was the problem.


It is another matter when this action did not help: in this case, more serious procedures for cleaning the water supply system will have to be carried out. The choice of a specific method directly depends on the functional state of the pipes, the layout of the pipes and how they are located in the home. How to clean water pipes in old houses? In such cases, it is often very difficult to do this: it is easier to simply replace the old products with new, polypropylene metal-plastic ones. The fact is that the amount and volume of internal deposits can be so large that dilapidated pipes may not withstand vigorous cleaning.

When it comes to a local area, one of the following methods may be suitable for removing rust from water pipes:

  1. Tapping. The procedure begins by removing the strainer, after which, letting cold water through the pipe begin to tap it with a hammer. Exfoliated rust will be discharged by a strong water stream. This simplest way can be realized by the simplest person who does not have professional plumbing skills.
  2. Cable. If tapping does not help, you will have to use a cable to clean the water pipes. To carry out cleaning in this way, you will need to shut off the water in the problem area and remove the mixer. Gradually introducing the cable into the pipe with the tip, you need to hike to make rotational movements with the help of a special handle located at the back. Removing fallen off pieces of plaque occurs already familiar washing pressure of cold water.
  3. Dry cleaning. An excellent option in the case of heavy blockages of the water supply system, and the impossibility of carrying out its replacement. The most popular tool for cleaning water pipes is “Mole”: when using it, it is important to strictly follow the attached instructions. The sequence of such work is not very complex. After the water is shut off, you will need to remove the lid from the mixer by pouring or pouring a certain amount of Mole liquid into the hole that appears. After waiting about one and a half or two hours, the problem area is washed with a large portion of hot water. It is important to understand that dry cleaning the water supply system is the least desirable, since there is a real risk of harmful substances entering the water. In addition, active reagents can damage the internal walls of the water supply. In the process of implementing the chemical method of cleaning the water supply, it is important to adhere to safety rules. If Mole or another similar product gets on an open area of ​​the skin, not to mention the mucous membranes, this can lead to a chemical burn. Therefore, it is better to work in protective gloves and glasses, and try not to inhale harmful fumes.
  4. Water jet cleaning. In the event that none of the above options yields the desired result, they resort to the most laborious way, how to clean a cold water pipe in an apartment. The clogged area will need to be completely dismantled: it is best if the mixer is located as far as possible. The dismantled pipe is put on the hose, and washed with a powerful pressure of water, which is able to knock clogs from its inside. Home conditions are not particularly suitable for implementing this method, since it is possible to create a stream of water of suitable pressure only with the help of special equipment. Sometimes it’s more practical to just replace the problem area.

Prevention of blockages in water pipes

Studying the question of how to clean water pipes at home, one cannot fail to mention preventive measures against in-pipe deposits. The use of a primary filter is the most common and effective of them. In common use, it is known as a coarse filter.

Externally, this device looks like a regular grid, designed to delay large debris. The plumbing system can be equipped with several devices of this type. Apartments of modern high-rise buildings usually have similar filters in front of all meters, for which special cork flanges are used.


A cylindrical mesh is removed after unscrewing the cork on such a flange: sometimes it is so clogged with debris that it is cleaned with a nail or a screwdriver. Stainless steel is used to make the mesh: corrosion is not terrible for it, but the accumulation of rust on it can be so dense that it leads to clogging of all holes. A good method of cleaning is concentrated acid: it is able to remove all deposits from the grid in a short time without causing any damage to it.

Keeping pipelines clean is the key to the health of all the inhabitants of the house. In addition, this makes it possible to significantly extend the life of household appliances.

Method 3. How to clean the pipes in the kitchen from fat with soda and salt

A blockage in the kitchen sink is often caused by the abundance of fat frozen in the pipes. In this case, ordinary salt and soda can fix the problem.

  1. Half a mug of salt and 1 mug of soda are dissolved in a glass of water and pour the mixture into a drain, wait 5-10 minutes.
  2. By a plunger (or a rag) we act as described above (see method 2).
  3. We rinse the pipes with a stream of hot water.

Method 4. Eliminate the blockage with vinegar and soda

Another popular way to clean pipes in the kitchen at home is vinegar (9%) and soda. The caustic foam resulting from the chemical reaction of these components should corrode the blockage.

  1. Pour 150 grams of soda into the drain hole, and pour the same amount of 9% vinegar on top.
  2. Close the drain with a stopper so that the foam does not go out.
  3. Wait a couple of minutes, then fully pour hot water - this will help push the cork.

Method 5. Eliminate the blockage ... Alka-Seltzer

If there is suddenly no soda in the house, but there is Alka-Seltzer, then he will also be able to clean a moderately clogged siphon. By the way, this remedy has another bonus - the unpleasant smell from the sink will disappear.

  1. Throw a couple of Alka-Seltzer tablets into the drain hole, and then pour 1 cup of 9% vinegar.
  2. After 2 minutes, drain the hot water at full strength to help push dirt through.

When folk ways do not help

Problem not solved? If the first aid did not help, this means that the clog in the sink is old, large and dense. How to clean a blockage in a pipe if folk recipes do not work? Do not rush to call a plumber and disassemble the siphon, try using special chemicals (Mole, Tiret, Pothan, etc.) or a plumbing cable.

Method 7. How to clean the pipe from clogging using a plumbing cable (and how to replace it at home)

If the sink in the kitchen clogged heavily, then you can use a special plumbing cable. This metal device looks like a brush with a long flexible handle (sold in hardware stores). Cleaning water pipes with a cable is best for metal structures - they can even partially remove rust. А вот для чистки пластиковых труб метод не подойдет, так как есть риск повредить их избыточным механическим давлением.

  1. Трос помещается в трубу и прокручивается. Здесь можно направлять движение как от себя, проталкивая засор в канализационную трубу, так и к себе, вытаскивая пробку.
  2. When cleaning with a cable, periodically it is necessary to supply water to the sink, so that a stream of water flushes the released contaminants.
  3. We let hot water for several minutes to lower the sediment residues into the sewer.

  • If there is no cable in the household, then an ordinary metal hanger will come to the rescue, from which you can make a mini-cable. Cut it with wire cutters so that the resulting wire has a small hook at the end (see picture below).

Method 8. How to eliminate clogging in the sink using household chemicals

Special tools designed to eliminate blockages in pipes can be acidic or alkaline. Most often they are:

  • Liquid and helium (for example, Sanfor, Tiret Turbo, Deboucher).
  • Dry in the form of loose powder or granules (for example, Bugs Pothan, Mole, Chirton "Clean Gutters").

The pipe cleaner is selected depending on the material of the water supply and the type of contamination expected.

  • The cheapest, most famous and universal remedy is Mole, which is based on acid compounds and in most cases corrodes blockages of any origin. But for the most advanced cases, we recommend trying the fast-acting Bugi Pothan tool in the form of granular powder.
  • Liquid blockage cleaners are softer and more convenient to use.
  • Whatever tool you choose, first clean the blockage with boiling water, keeping it for 20 minutes (if the pipes are steel) or a 20-minute stream of hot water (if the pipes are plastic). Then add the cleaning solution exactly following the manufacturer's instructions.
  • If children live in the house, then it is better to buy a pipe cleaner for one time in small packets.
  • Before you start cleaning the pipes, do not forget to wear rubber gloves, otherwise the tool for removing blockages will deal not only with the cork, but also with your skin.
  • If you are going to eliminate clogging in the sink with a caustic chemical or vinegar, be sure to open the window.

If none of the above methods worked, then it's time to call the plumber. Most likely, the stagnation formed too deeply and clogged tightly out of reach for most instruments from blockages.

Recommendations for cleaning plastic pipes

Plastic pipes must be cleaned with extreme caution, as the material is quite susceptible to mechanical damage. It is worth knowing that the smooth surface of plastic pipes does not corrode. Also, surface pollution does not adhere well to it. However, blockage can still occur, because fat deposits, hair, food debris gradually clog the water flow.

  • For plastic pipes, you can use a plunger or household cleaning products that give an excellent result.

And a little about prevention

So that the kitchen pipes do not clog as long as possible, it is worth following these recommendations:

  • Clogged sink in the kitchen is a normal and inevitable problem for any home, but it is better not to allow it to occur as long as possible and to carry out preventive maintenance in a timely manner. After all, the more often we clean the pipes, the faster and easier the blockages are removed, and the pipes and siphon do not wear out. Just take the habit of letting out hot water every week or pour boiling water into the sink sink for 20 minutes or clean the plumbing with a plunger.
  • Try not to pour liquids containing cooking oil into the sink in the kitchen, as in the pipes / siphon it freezes and provokes an increase in deposits on the walls of the water supply. If this still happened, immediately take preventative measures - put a hot ox / boiling water or pour soda and salt into the drain (see Method 3).
  • Of course, all dishes before washing in the sink should be cleaned of food debris. Most often, the cause of blockages lies in our laziness 🙂
  • The drain hole must be supplemented with a special mesh that protects the pipe from large particles of food.

Causes of clogging

Most often, a decrease in pressure is caused by deposits on the walls of the pipeline. And even if it is made of plastic components, because they are connected to the metal pipes of the risers. It is in this place that it is worth looking for the cause of the clogging.

A large amount of rust, which has the form of layers, exfoliates from old pipes, and the flow of water carries it evenly along the entire length of the water supply.

Useful advice!Although removing deposits and rust from the walls of water pipes is a very tedious procedure, do not put it off at the slightest suspicion. So you will not only ensure comfortable use of the water supply system, but also forget about the problem of low pressure for the next 10-15 years.

Pipes can also become clogged with sand or other impurities. The reason for this lies in the fact that over time, their surface becomes rough.

Rust and other deposits accumulate even in plastic pipes

Effective do-it-yourself water pipe cleaning methods

Before starting work, it is necessary to localize the place of blockage. So you will avoid additional difficulties during its execution. In addition to the inner wall of the pipe, a blockage is usually formed:

  • on filters
  • in places of cranes and valves,
  • in the place where the hot and cold water meters are installed.

In the best case, a small pressure can cause pollution of the mesh obstruction in front of the column, washing machine, meter or mixer strainer. If their dismantling with subsequent washing with water did not help, the conclusion is clear: the pipeline is clogged.

Today, several ways are available to clean your water pipes at home. The specific choice of one of the methods depends on the functional state of these elements of the water supply system, their progress and location.

So, for example, cleaning water pipes from deposits in old houses is not the best solution. After all, in them blockages, as a rule, are present in large numbers. In this case, preference should be given to the option of replacing pipes with propylene or metal-plastic products.

If filters are installed in the piping, first clean them.

If one area turned out to be problematic, cleaning the water pipes from rust can be done in one of the following ways:

  1. Hammering. To do this, remove the strainer, open the cold water tap and gently tap the pipe along its entire length. A strong stream of water will remove rust exfoliated from the walls. This method is the simplest. You can do it yourself, even without professional skills.
  2. The above method helps, unfortunately, not always. But you can use another, somewhat more time-consuming. To do this, you need a cable of small diameter. How to clean the water pipe at home with this accessory? First of all, close the water access to the area to be cleaned and dismantle the mixer. Next, insert the cable into the hole formed. The removal of chipped pieces of rust at the final stage is carried out by abundant flushing of the pipe.
  3. Dry cleaning of water pipes at home. This method is used when it is not possible to replace the water supply system, and multiple blockages have formed in it. For these purposes, you can use the tool "Mole".
  4. If the above methods did not help, there is the most time-consuming method of how to clean the water pipe from deposits with your own hands. It involves the dismantling of a clogged area. After shutting off the water supply system, this must be done at the maximum possible distance from the mixer. Having dismantled the pipe, connect a hose to it and let the water run under high pressure. The pressure of the water will clear the blockage and clean the section of the water supply. It should be noted: the use of this method at home does not always lead to success. A complete replacement of the problem area may be required.

If you want to learn how to clean a water pipe from rust with minimal labor without sacrificing efficiency, carefully read the instructions for use of the product.

Before using chemicals, try to clean the clogged cable

The sequence of actions is very simple. Shut off the water supply in the cleaned area, drain the water, unscrew the mixer and pour the product into the vacated pipe hole. Leave everything in this state for at least 1.5, and preferably 2 hours. After that, you can install the mixer in place and start using the water supply.

But remember that of all these methods of cleaning the water pipes with your own hands, the least desirable chemical. It can cause water poisoning with chemicals and damage to the walls of the pipeline.

Good to know! The use of chemicals to remove deposits and rust from water pipes at home requires precaution. This is due to the fact that contact with the mole on exposed skin can cause a chemical burn. Therefore, this work must be done with protective gloves.

How to prevent clogging of water pipes

The first and most important protection is the primary filter. In everyday life, it is customary to call it a coarse filter. Structurally, it is made in the form of a conventional mesh that traps large pieces of rust. There may be several such devices in the system. New settlers sometimes do not even know about their existence.

In apartments of modern high-rise buildings, the filter is usually placed in front of the meter, and its location is a special flange with a stopper, unscrewing which, you can remove a cylindrical mesh from the channel. Do not be surprised if it is clogged with deposits so firmly that you need a nail or a screwdriver to clean it. This mesh is made of stainless steel. Therefore, she herself does not corrode. But rust grows on it very tightly, clogging holes.

Helpful information! A good cleaning method is to use concentrated acid, such as hydrochloric acid. Short-term exposure removes deposits in seconds and does not spoil the grid.

Any pipelines constitute a real engineering structure. Therefore, the pipes must be kept in order. Not only the health of your entire family, but also the state of your household appliances depends on their cleanliness.

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