CuZn UC-200 Under Counter Water Filter Review

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Are you thinking of buying the CuZn UC-200 Under Counter Water Filter?

But you’re not sure if it’s the right one to meet your needs?

CuZn UC-200 Under Counter Water Filter Review

If so, this review can help.

On this page, you’ll find a comprehensive review that goes in-depth on the top features, advantages and shortcomings of this water filter.

Overall, the CuZn UC-200 50k is a great water filter that comes with incredible capacity in a small unit. But, will it live up to your standards, or should you look for something else?

Let’s find out more about this product in this in-depth Review.

CuZn UC-200 under counter water filter – 50k Ultra High Capacity

The CuZn UC-200 is one of the highest-rated and best-selling under sink water filters available on the market today. Considering its features and advantages, it’s tough to beat for value.

Filtration Process

To remove a wide range of contaminants, this water filter is an excellent choice, because it uses three different stages of water filtration.

It’s able to target a wide range of contaminants because of this

The three stages include:

  • Stage 1: At this stage, with the help of Micro Sediment Membranes, this filter eliminates all the undissolved particulate and larger sediments (such as silt, sand, plastic fibers, rust), sand, carbon elements from your Water.
  • Stage 2: At this step, it uses a patented KDF-55 filtration media to remove heavy metal (such as mercury, lead) chlorine and bacteria from Water.
  • Stage 3: The middle acid washed coconut shell activated carbon filter removes offensive odor & taste, organic contaminants such as chlorine, pesticides, herbicides, etc.

Note that, these media used in stage 2 and 3 are tested to NSF standard 42 and 61.


This system can reduce a wide range of inorganic and organic contaminants that may affect the quality of water supply. What’s more, it eliminates the bad taste and odors of Water, providing tasty and healthy Water for you.

Let’s take a closer look at the data:

  • Mercury (98%)
  • Lead (98%)
  • Chlorine (90%+)
  • Chromium vi (98%)
  • Pharmaceuticals (30-90%)
  • Pesticides and herbicides (90%+)
  • Vocs (90%+)

What it can’t remove:

This system can’t resolve excessively hard water issues. It can’t remove:

  • Microorganisms
  • Fluoride
  • Nitrates
  • Chloramine
  • Nitrites

Bacterial Growth Prevention

UC-200 is a BACTERIOSTATIC FILTRATION SYSTEM that means it prevents the growth of bacteria. It eliminates bacteria and molds from the unit and prevents the spread of water-borne disease.

Nutrient Retention

The advantage of the UC-200 is it removes all impurities and purifies the water, but it doesn’t allow the nutrient escape. It treats water fast and retains the Health Beneficial Minerals. Thus it maintains long term health and reliability.

High-Level Performance with Its Indispensable Capacity

The most alluring feature of this unit is its long-lasting filter.

This CuZn water purification system offers unmatched water filtration capacity. It can filter maximum 50,000 gallons of water (cold) on demand at office or home. In other words, it works out to approximate 27 gallons of water daily.

It’s one of the best under sink water filters because it is one of the few models that offer such water filtration capacity or a 5-year Pro-Rated Warranty. Considering the cost, it’s quite a remarkable achievement.

One of the Easiest Water Filter to Install

The major benefit of this CuZn water filter is that it’s easy to install as it doesn’t require an extra faucet. You also don’t need to modify your counter to install it.

All you need to do is connect the unit to the cold water line of your sink. And it’s ready to deliver you pure, clean water. What’s more, it comes with durable housing and a stainless steel compression hose. So, you can connect it over a hot water supply line. As it stands on its base, there is no need to attach it to the cabinet wall.

In fact, this super easy installation without the need for an additional faucet makes it a must-buy.

To make installation even easier, CuZn offers free, easy to follow video instructions. Of course, if you face any problem during installation, you can connect the customer care team who are highly-responsive.

All Accessories Included

The package includes the complete filter assembly and brass fittings for installation. An adjustable wrench also comes with the unit that you’ll need to tighten the fittings.

Warranty and Customer service

The unit comes with an impressive 5-year warranty. It also offers 90-day “no questions asked” money-back guarantee for extra peace of mind. So, have a try it out.

CuZn Water Systems Company is also well-known for its exemplary customer service. They are quick to respond and resolve the issues that you won’t see very often.


  • Super long filter life
  • Reasonably priced
  • Effective for removing many of the worst contaminants
  • It has no impact on water flow. So your water pressure will remain the same.
  • Simple to connect to the water line
  • No maintenance required
  • Made in the USA


  • It’s a water purifier, not a water softener. So, if you’re looking for a water softening system, it’s not the choice for you.
  • The unit is effective with chlorine treated municipal water only. It’s not perfect to use with private well water. However, you can also use it with disinfected well Water.
  • It can’t reduce TDS.
  • With the 15.5” x 4” dimension, this under the counter water filter is somewhat larger than many of its competitors. If you have a small space under your sink, the installation would be a problem. So, check the space dimensions under the sink first.

When to change the Filter?

If you detect the Chlorine breakthrough, it’s time to replace the filter.

By the taste and smell of the Water, you can tell when the filter requires to be replaced. You can also use Chlorine test strips to test the water.

PPM or TDS meter is NOT effective at all for this testing.


With a better understanding of CuZn UC-200 under counter water filter, we hope you’ll make an informed purchase.

Thanks for reading our Review.

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