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How to make a well water filter [Simple - Economical - Quality]

5 tháng 2, 2026 8:56 AM
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1. When is a well filter needed?

If your family is using well water for daily activities such as washing, bathing, cooking, etc., it is necessary to install a well filter to ensure safety. However, depending on the water source situation, you can choose the appropriate filter method:

  • Make your own well filter for underground water with mild pollution such as alum, rock residue, moss... Making this filter yourself will cost less, only about 1 to 3 million VND for a 500 - 2000 liter tank.
  • Install a hot and cold water filter system at the source in case the well water is heavily polluted such as alum, heavy metals, saltwater intrusion, limestone contamination, etc., or your family's water source is near industrial factories. At this time, the cost will be higher, the price of a well water filter is about 5 - 15 million for the source water filter system, depending on the type of machine you choose.

Advice: You should choose a supplier of modern water purifiers, because of its absolute advantages over traditional water filtration methods and becoming an ideal safe clean water filtration solution for every family. See more Mutosi water purifier lines to better understand the products, applied technology and brand benefits that can bring health safety to your family!

In particular, alkaline water purifiers are products worth your attention with a series of health benefits such as preventing and reducing symptoms of stomach pain due to excess acid, strengthening bones, preventing diabetes...

In the following section, you will learn specifically and in detail how to build and install each method.

You may be interested in: Top 2 Best Well Water Filter Systems For Families

2. 2 ways to make a well water filter tank

2.1. Method 1: Make your own home well water filtration system

As analyzed above, this method is suitable for families with slightly polluted well water or do not have much money to invest in a modern general filtration system.

2.1.1. Detailed schematic drawing

To be able to make your own well water filter at home, you should carefully study the detailed schematic drawing and the operating mechanism of this method. You can refer to the detailed diagram below with 4 important indispensable parts: sprinkler system, filter tank, filter material, and tank.

The filter consists of four important parts.

The filter consists of 4 important indispensable parts: sprinkler system, filter tank, filter material, and tank.

2.1.2. Operating principle

The basic operating principle of well water filters is based on the osmosis mechanism: Contaminated water will permeate through each layer of filter material, at this time impurities of large to small sizes will be retained or adsorbed.

Basically, the filter will work like this:

  • The water source supplies water to the tank through a sprinkler system. Water molecules will be broken down to facilitate the oxidation of metals such as iron, aluminum, manganese, etc., reducing the metal content. domestic type
  • The water will then fall into the tank, then through the first layer of sand to filter out precipitates, dirt, suspended solids, microorganisms, alum, etc.
  • The water continues to permeate down to the activated carbon layer, which has the property of absorbing toxic impurities, dangerous organisms and neutralizing minerals that are difficult to dissolve in water.
  • Then the water will be filtered through the final layer of sand and gravel to the clean water tank.

The clean water outlet mechanism must always follow the principle of communicating vessels, the mouth of the clean water pipe must be higher than the top of the sand layer. Clean water will flow out when the water level in the tank rises higher than the mouth of the pipe and vice versa, water will not work when the water level in the tank is horizontal with the mouth of the pipe.

In addition, depending on the needs of use, it is possible to equip an additional mechanical float or electric float to automatically control the water supply to the filter tank. Filter devices have valves, which will make periodic flushing and cleaning easier, ensuring water quality and filter layers are always clean.

Well water filter works based on osmosis mechanism

Well water filter works based on osmosis mechanism

2.1.3. Construction steps

Step 1: Prepare ingredients

1- Water filter and water storage tank:

  • Water filter columns made of stainless steel, plastic or composite.
  • The size of a self-built filter tank is usually 80cmx80cmx1m.
  • Use a stainless steel tank or plastic tank with a minimum capacity of 200ml. Important: the minimum height of the filter tank is 1m or more. Because when the tank is too low, the amount of filter material added is not enough to achieve high filtration efficiency.

2- Sprinkler system:

The sprinkler system is placed on top of the filter tank.

The sprinkler system is placed on top of the filter tank.

3- PVC plastic filter pipe:

  • Place a PVC Ф48 plastic filter pipe at the bottom of the tank to make a water collection pipe.
  • Small stainless steel mesh to prevent filter material from flowing out with water.

4- Water filter material:

  • Small stones size 0.5 - 1cm.
  • Activated carbon: Do not use activated carbon, it is best to use coconut shell charcoal (made in Vietnam).
  • Specialized Manganese Sand removes Mn and Fe ions.
  • Quartz sand removes suspended impurities in water.
  • These materials will be poured into the tank, so it is necessary to calculate the mass to match the volume, ensuring the thickness of each layer of material.

Need to buy filter material in reputable place

You need to buy filter materials at a reputable place to avoid buying poor quality products, which will reduce filter efficiency.

Step 2: Build a water filter tank

A homemade well water filtration system always needs 3 main tanks: a settling tank, a filter tank, and a tank for filtered clean water. When building the tanks, you need to pay attention to the following issues:

Build 3 main tanks: settling tank, filter tank and clean water tank

Build 3 main tanks: settling tank, filter tank and clean water tank

Building a filter tank:

  • Function is to contain objects filter material
  • The size of the filter tank depends on the needs of each family. However, to ensure optimal filtration efficiency, the minimum height of the filter tank is 1m.
  • Place a PVC Ф48 filter pipe at the bottom of the tank, seal one end of the pipe, and drill a small hole (Drill a small hole to prevent sand from flowing through the water pipe).
  • This pipe has the function of connecting the water filter tank with the water tank, the filtered water will flow through the tank.
  • Install an additional valve in the filter tank for easy periodic cleaning after use.

Building a tank:

  • The main function of the tank is to store filtered water.
  • In addition to the water pipe connecting to the filter tank, you should also install a water tap valve into the tank for convenience when you want to get water for daily use.

Build settling tank:

  • The main function is to contain water from the sprinkler system.
  • When building a settling tank, it is necessary to ensure that there is a plumbing system so that water can flow from the settling tank to the filter tank.

Refer to the video Detailed instructions on how to build a well water filter tank for your family and read the comments below the video to learn more useful knowledge.

INSTRUCTIONS ON HOW TO MAKE A WATER FILTER TANK/BORN WELL/10 YEARS WITHOUT HAVING TO CHANGE THE SAND.P1.@

Step 3: Arrange materials in the filter tank

Arrange the materials in the filter tank in the following order:

  • Layer 1: (Bottom layer of the tank) Pour small gravel with a size of 0.5 - 1cm into the tank with a thickness of 10cm. Do not pour too much gravel because this layer only has the effect of ventilation, avoiding clogging of the filter pipe and filter net.
  • Layer 2: Continue pouring yellow sand or quartz sand specialized for filter tanks, pouring about 10 to 20 cm thick.
  • Layer 3: The activated carbon layer has the main function of removing some toxic substances and organic impurities; at the same time, it also absorbs well the substances that cause color and odor in the water. Pour about 5 to 20 cm thick.
  • Layer 4: Manganese granules are used to treat water contaminated with alum, iron, and arsenic (an indispensable material in filter tanks). Pour about 15 to 30cm thick.
  • Layer 5: (Top layer) Coarse yellow sand or quartz sand used for filter tanks. Pour about 10 to 20cm thick.

Arrange the material in the filter tank with the top layer being specialized large grain yellow sand.

Arrange the material in the filter tank with the top layer being specialized large grain yellow sand.

Step 4: Make the sprinkler system

The sprinkler system is designed on top of the settling tank. You can replace it with a showerhead or a small perforated plastic pipe, with the ultimate purpose of dividing the water. Increase the surface area of the water in contact with oxygen in the air, making the iron precipitate faster, increasing the efficiency of filtering iron-contaminated water. This sprinkler system is directly connected to the source water.

See more: Hot and cold water dispenser

2.1.4. Notes during the process of building your own water filter tank

Here are some things to keep in mind when making your own well water filter at home:

  • Quartz sand, activated carbon, and manganese sand are the most important basic filter materials. necessary for filtering source water.
  • The filter tank must always be submerged in water to create fineness in the material layers.
  • The larger the filter tank, the more filter material. Always ensure the total thickness of the material layers is at least 50 cm.
  • The correct technique of installing the discharge pipe according to the communicating vessel principle will determine the quality and durability of the filter material.
  • Requires sand and gravel density of about 1300 kg per cubic meter of water; activated carbon density of 650-700 kg/m3; FILOX material density: 1500 kg/m3.

Materials for building water filter tanks

Materials for building water filter tanks need to be carefully selected.

2.1.5. Advantages and disadvantages

Each water filtration method has its advantages and disadvantages, research different methods to compare effectiveness.

Advantages of building your own filter tank:

  • Low cost, reduce costs.
  • During the construction process, you can clearly understand the system, so installing or replacing materials and troubleshooting becomes much easier.
  • You can choose the filter materials yourself, ensuring quality and budget.

Disadvantages of building your own filter tank:

  • Water filters are not capable of softening hard water.
  • Does not guarantee complete removal of impurities, water after filtration may still contain some organic toxins, only suitable for domestic use, cannot be drunk directly.
  • Takes up a lot of space to build.
  • Time consuming and laborious: must prepare all stages from purchasing materials to construction, maintenance and repair.

2.1.6. Where to buy reputable well water filter materials?

You can easily buy these materials at large stores and agents specializing in building materials. These stores have been in business for many years, so they have a lot of experience and can advise you on extremely useful knowledge in the process of building a water filter tank.

>>> You might be interested in: 13++ best-selling hot and cold water dispensers at Mutosi

2.2. Method 2: Making a well water treatment system MT011-1

The solution of building your own well water filter tank is also effective but also has the disadvantage of not being able to handle if the water source is heavily polluted. The following article will continue to introduce you to a more modern and superior solution, which is to use a total source water treatment system.

Using the MT011-1 organic water treatment system is equivalent to building a filter tank without having to worry about construction, installation, and maintenance.

Using the MT011-1 organic water treatment system is equivalent to building a filter tank without having to worry about construction, installation, and maintenance.

2.2.1. System functions

Overcoming the disadvantages of the self-built filter tank method, the Mutosi MT011-1 water treatment system eliminates maximum organic impurities in water; removes the smell of Chlorine, H2S, Ammonium; removes turbidity, moss green caused by algae, organic humus. Guaranteed to help you stay away from respiratory and intestinal diseases, potential diseases from water contaminated with organic impurities.

2.2.2. System structure

The system consists of many materials with technical characteristics. private.

Structure includes:

  • 1 composite filter column: Composite - Pressure-resistant plastic core, covered with anti-oxidation fiberglass. The main function is to contain filter material to treat water sources.
  • Operation valve: It is a 3-way valve controlled by hand. The manual valve is durable and stable in all conditions. The main function is to control the opening and closing of 3 doors: water inlet, water outlet, and drain.
  • Filter materials include:
  • Activated carbon: decolorizes, deodorizes, removes strange tastes, removes light metals, adsorbs toxins and dirt.
  • Quartz sand: Removes suspended dirt with small particle size that cannot precipitate when naturally settling. During the filtration process, a filter layer is formed on the gravel surface to support the filtration process, specifically: after Fe(OH)3 is precipitated on the quartz gravel surface, the Arsenic content will be completely absorbed into the gravel surface.
  • High quality stainless steel frame and filter column.

Material life: From 12 to 36 months depending on the quality of the input water source and regular cleaning and flushing.

Warranty: According to the manufacturer's warranty policy, the water purifier has a warranty period of up to 36 months.

Price: 4,200,000 VND. See more details here .

2.2.3. Advantages and disadvantages

With a quality product priced under 5 million VND, it is difficult to point out the disadvantages because its advantages have won the trust of customers.

Advantage:

  • Install at the source and get domestic water from the tap as usual.
  • Compact size, space saving, no need for sprinkler system, bulky tank.
  • Performs the function properly, filters water effectively.
  • Reasonable price.
  • Comes from a reputable brand.
  • Warranty policy always ensures to put customer's interests first.
  • No effort or cost for transportation, installation or repair.
  • Simple - economical - quality.

2.2.4. Instructions for purchasing water treatment systems

To buy genuine MT011-1 Organic Impurity Water Treatment System, you can choose 1 of the following 2 methods:

  • Buy directly at Mutosi's authorized dealers or distributors to receive direct advice.
  • Buy online on Mutosi 's official website or call hotline 1900 636 595.

Regardless of the method of purchase, you will still be fully provided with customer care policies, attractive discount programs as well as Mutosi's warranty policies.

You can find Mutosi stores here .

Mutosi website interface

Mutosi website interface is extremely convenient for consumers when shopping online.

2.2.5. Notes when choosing a well water treatment system

To be able to overcome polluted well water, before choosing to buy a well water treatment system, it is necessary to determine what the pollutants are? From there, you can choose the right machine to treat the water source.

  • Some can be observed by senses such as: Water has color cloudy yellow, fishy smell, reddish brown precipitate in the tank - water contaminated with alum, Water causing black deposits in containers, sinks - water contaminated with Manganese.
  • Some water sources are contaminated with arsenic, limestone, and other toxic chemicals that cannot be detected by the naked eye, which is why you should have your water sample tested.

So the article has shared with you 2 methods of making a well water filter including building a traditional filter tank yourself and using a specialized modern filter system.

Learn more:

Hope you have received detailed, necessary and useful information to proceed to make a well water filter to serve your family's needs. Don't forget to update more useful information on mutosi.com.

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