This is the most effective, modernized, and convenient way to purify water with minimal space constraints.

The Under-the-Counter Water Purifier is one of the simplest and most effective home water purifiers. It’s simply a combination of a filter pump and a UV light system. An under-the-counter water purifier is nothing but an under-the-sink unit that can be installed beneath the kitchen sink. These purifiers are not as common as wall-mounted purifiers. However, they are gaining popularity among homeowners with a minimalist kitchen design. And there are some great reasons for choosing an Under-the-Counter Water Purifier. 

Before we have a look at the pros and cons of the under-sink water purifier, let us learn how an under-the-sink water purifier works.

How Does An Under The Sink Water Purifier Work?

How does an under the sink water purifier work

When you’re shopping for a water purifier, the two main categories to choose from are under sink and wall-mounted. Under-sink is much more common as it’s a more convenient option for families who live in apartments or condos. Wall-mounted water purifiers tend to be more energy-efficient than under sink units, but they are also more expensive. 

For most people, it’s a no-brainer that under the sink is the way to go.

Under-Sink water purifiers fill in as it is divider mount water purifiers works. Under sink water purifiers fueled by RO, UV, UF, Activated carbon, and Sediment channel advances are additionally utilized in customary divider mount purifiers.

In under sink water purifier, the refined water is put away in the Hydrostatic stockpiling tank. That is why the progression of the water is generally higher than wall-mounted water purifiers. In its capacity tank, an ideal tension is expected to give a high progression of result pace of the purged water. It implies that under sink water purifiers require less time to fill a container than a divider mounted water purifier.

It requires 15 seconds to top off a liter of the water bottle. In this way, it’s an unmistakable success for an under-the-counter purifier regarding topping off a jug as opposed to walling mounted ones.

1. Reverse Osmosis

During Reverse Osmosis (RO), unpurified water passes from a semi-penetrable membrane by applying strain on water. During this cycle, weighty metal particles caught/trapped in the RO membrane resulting in refined, soft water. However, a disadvantage of the RO water purifier is that it might eliminate fundamental minerals like calcium in your drinking water.

2. UV or Ultraviolet

In UV water purifiers, water passes through the UV light. Because of UV light taints, water-borne illness-causing microscopic organisms, infections are killed. A disadvantage of UV water purifiers is that even though UV kills microbes and infections, yet their dead bodies can be found in the water.

3. UF or Ultrafiltration

It utilizes empty filaments. Water goes through these empty strands, which trap suspended solids, and water-borne sicknesses are caused by bacteria and viruses. This durable water purifier works without power even can sanitize sloppy water.

4. Activated Carbon

It eliminates perilous substances like pesticides present in water and other synthetic, making an awful scent. Actuated carbon made of permeable material traps the infection-causing bacteria and viruses. Activated carbon can also remove chlorine that can be found in municipal water and hence produces safer and healthier drinking water.

5. Sediment Filter

A sediment filter eliminates sand particles, little bits of natural matter, mud particles, or any other tiny particles. However, the sediment filter does not eliminate synthetics or weighty metal particles.

Advantages and Disadvantages Of Under Sink Water Purifier

Under The Sink Water Purifier Advantages

Under The Sink Water Purifier Advantages

1. The purifier is concealed under your kitchen sink, saving your kitchen space.

2. A faucet is installed as the water outlet which enhances the look of the sink and the kitchen. 

3. The best part about installing an under this sink water purifier is that when you normally refill a jug, sometimes you can drop water which makes your kitchen floor wet. This doesn’t matter here as the water falls directly into the sink.

4. It is very easy to install an under the sink water purifier. The purifier comes with a DIY guide and can be installed without the help of an expert. 

5. Furthermore even, when there is no power, you get sanitized water with great strain from hydrostatic water stockpiling tank of the under-sink RO unit through the refined water tap or spigot.

6. There aren’t any design limitations in under the sink purifiers; that is the reason 10 inches sedimentation, carbon channel, and greater stockpiling tanks are utilized. While wall-mounted purifiers need to think twice about these plan issues. What’s more, that is the reason they have moderately more modest, non-standard channel cartridges and more modest unadulterated water stockpiling tanks.

7. Under the sink water purifiers are comparatively cheaper than other types of water purifiers. 

8. Maintenaing an under-the-counter water purifier is almost unimportant, contrasted with wall-mounted water purifiers. You need to simply pay special attention to changing the channels at customary span while the rest will be fine to serve you solid water.

Under Sink Water Purifier Disadvantages

Under Sink Water Purifier Disadvantages

1. As water from under the water purifier emerges through the outside tap fixture. Thus, on the off chance that you’re not furnished with a tap fixture set during the hour of procurement, then, at that point, you need to get it independently.

2. Finishing up the above point, we can say it will cause you additional spending on the spigot, which might work long after you introduce it in the framework.

3. You will need a power socket under the sink for the water purifier, which can be risky if the sink starts to leak. 

5. Not installing the water purifier properly can cause issues like water wastage. This will be inefficient and can increase the cost of using a water purifier. If you have any doubts about installing a water purifier, call a technician.

6. Ensure that the drill, tap, fixture opening is given in the establishment interaction or not. Else, you need to search for another to make an opening for the tap.

7. Furthermore, in conclusion, ensure the water purifier accompanies a TDS regulator to keep up with the necessary measure of minerals in your drinking water.


Remember, an under-the-counter water purifier is best suited for water with a high TDS level (up to 1500ppm-2000ppm). This suggests the water mainly has a salty/Khara/brackish taste.

With under-the-counter water purifier not just only keep your kitchen beautiful and spotless by kept hidden under the sink. But also removes dangerous new age contaminants like lead and pesticides while retaining essential natural minerals that other RO purifiers deplete.

At last, if you don’t have that much TDS level in your water and wonder which kind of water purifier you should opt for. Then, look at the best Purifiers that contain your aspired technical specifications to render you & your family with healthy, tasty & safe water.

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One Comment

  1. I intend to have an under the sink UTS Water filter installed in the month of August in main city Srinagar. Please favour by giving me further details and the probably cost involved.

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