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What Is MTDS In Water Purifier? How does it work?

What is MTDS in Water Purifier

This article aims to explain in detail what is MTDS in water purifier and how it works. We will also share the pros and cons of using MTDS in the water purifier. But In order to properly understand MTDS, let us first know what TDS is and what it does.

What is TDS?

TDS, or Total Dissolved Solids, is a measure of the amount of dissolved material in a given volume of water. Some of the major dissolved solids are calcium, magnesium, sodium, potassium, nitrates, sulfates, carbonates, and bicarbonates. In some cases, salts like calcium, magnesium, sodium, and potassium, if consumed in moderation, can be beneficial to our health. However, other substances, such as nitrates and sulfates, are not.

Almost all of us know that TDS levels in drinking water play a significant role in whether our water is safe to drink. In fact, drinking water with a high level of TDS can be pretty dangerous. Thus, it becomes essential for us to make sure our drinking water contains the right TDS level before consuming it.

We have an article that explains how to test your home’s water TDS level .

What is the best TDS Level in India?

As per the Bureau of Indian Standards guidelines, drinking water up to a TDS level of 500mg/L is considered safe for human consumption. The WHO, however, recommends drinking water that is up to a TDS level of 300mg/l. In contrast, many experts who provide information on water purifiers recommend that household water should have a TDS level of less than 50 mg/l but not higher than 300 mg/l.

Doesn’t that sound quite confusing to you? Isn’t it?

This is where MTDS has a critical role to play.

What Is MTDS In Water Purifier?

MTDS full form in water purifier means Manually TDS Controller. A MTDS controller or regulator is a device found in water purifiers that allows the user to manually adjust the level of Total Dissolved Solids (TDS) in the water. This is done by enabling the user to add or remove water from the system, thereby controlling the concentration of dissolved solids.

How does MTDS Works in Water Purifier?

The MTDS in a water purifier works by controlling the amount of Total Dissolved Solids (TDS) that is allowed to pass through the filter. This helps to ensure that the water that comes out of the purifier is of high quality and is free of any contaminants. The controller allows you to manually adjust the TDS levels so that you can customize the water purification process to meet your specific needs.

Generally speaking, the MTDS controller is connected to two inlets. The first inlet of the MTDS controller is connected to the membrane of the RO system. In addition, the second inlet of the MTDS may originate from a variety of sources depending on the sort of water purification system used to prepare the water.

To make this easier to understand, we have tabulated the 2nd inlet of the MTDS regulator used in the water purifier in the following table.

Type Of Water Purifier2nd Inlet Of The MTDS
ROCarbon Filter
RO+UFUF
UVEither from UF or Carbon Filter

How To Adjust TDS Using MTDS Regulator:

The above section deeply discussed MTDS in water purifiers. This section will discuss how to adjust the TDS level in purifiers using the MTDS regulator.

If you follow the steps below, you will be able to change the level of TDS in your drinking water in no time.

1. Take off the outer cover of your water purifier by using a screwdriver. You will normally find the MTDS regulator inside the outer cover of your water purifier.
2. Look for the screw that’s inside the MTDS regulator.
3. By turning the screw clockwise, the water’s TDS level will decrease.
4. If you turn the screw in the opposite direction, the TDS level will increase.
5. You can now check the level of TDS in your drinking water and place the outer cover of your purifier on top of it

Advantages of MTDS in Water Purifier:

  • The purpose of using MTDS regulators is to provide salts and minerals to the human body by increasing the TDS level in drinking water. When the solids are kept liquified, it raises the pH of the water to the level required by the body. Additionally, the liquification process improves the taste of the water.
  • Besides this, the MTDS controller prevents the water from having an excessive amount of TDS, which results in a bitter taste. Due to the fact that it can be customised by hand, the taste can be tailored to the homeowner’s specific requirements.
  • A device like the MTDS regulator has the significant advantage of being quite a cost effective, which is one of its primary benefits.
  • By altering the TDS of water, it is possible to overcome all reverse osmosis shortcomings at a low cost.

Limitations of MTDS in Water Purifier:

  • The problem with MTDS or Manually TDS Controllers is that they do not remove heavy metals from water such as lead, copper, and arsenic.
  • The fact that MTDS regulators are so difficult to obtain is another disadvantage.
  • The MTDS controller in some MTDS purification systems is only accessible by removing a side panel. Others, on the other hand, have it in an easily accessible location.
  • In some cases, changing the TDS level can also be tricky, and you may have to repeat the trials a few times before you get it right.

MTDS Versus Mineralization In Water Purifier:

It is worth knowing that MTDS and mineralizer are two different technologies that operate in slightly different ways. While the MTDS adds back impure water (with minerals) to the water, the mineralizer adds only pure minerals through the cartridge. Besides being inexpensive, the main benefit of MTDS is that it does not have to be replaced on a constant basis, and it may be adjusted easily when necessary.

However, mineralizers, on the other hand, are expensive, require a replacement cartridge when the cartridge runs out, and do not allow mineral adjustment. This is why MTDS is usually a better choice than mineralizers. As a general rule, mineralizers should only be used when water contains heavy metals since heavy metals are hazardous even in small amounts.

MTDSMineralization
It enables you to control the output TDSYou cannot modify the TDS output of the water
No need to replace it at a particular timeNeed replacement after every 6 months to 1 year
It is cost-effective or inexpensiveComparatively more expensive
Adds almost all mineralsAdds only a few minerals

Frequently Asked Questions (FAQs)- MTDS

  • What is the difference between MTDS and TDS Controller?

    I would like to emphasize that the operation and usage of MTDS controllers are very similar to TDS controllers. MTDS is the term preferred by Eureka Forbes (Aquaguard), while TDS Controller is preferred by Kent and other water purifier brands.

  • What is the difference between Taste Adjuster, MTDS and TDS Controller?

    It is important to note that there is no functional difference between MTDS, TDS Controller, and Taste Adjuster. Different brands may use different names according to their convenience!

  • When should I buy water purifier with MTDS?

    If the TDS concentration in your water is greater than 300-500 PPM, you should choose an RO system with MTDS. In case the level is less than this level, then you can purchase a UV water purifier for your home.

  • Why UV water purifier does not have MTDS?

    UV water purifiers do not require the TDS of the water to be regulated, as they are designed to remove impurities from water with TDS less than 300-500. Due to this, these purifiers do not contain MTDS controllers.

Conclusion: A MTDS regulator is an important piece of equipment for controlling the TDS concentration in water. This is crucial in terms of maintaining a healthy metabolism. A regulator such as this can also improve the taste, and even the pH, of the water.  It is therefore very important that you don’t purchase a water purifier without MTDS, since it may have adverse effects on your health.

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