What’s the Best Chlorine Filter?

Worried about chlorine in your water? Today, we recommend 4 of the best chlorine water filters available. We also discuss the backstory of water chlorination, and how it came to pass.


Chlorine is knowingly added to water supplies to prevent bacteria from growing. The chlorination of water began long ago when illnesses like typhoid, cholera, and dysentery were commonplace. However, chlorine itself is actually very toxic. Chlorine gas is even used as a chemical weapon, and has been labeled as a “choking agent”. Furthermore, chlorine in water is known to combine with organic matter to form harmful Trihalomethanes (THMs). These have been linked with negative health effects, including cancer.

So, what can we do to limit our exposure to harmful chlorine?

Well, one of the most effective ways to combat chlorine is by using a water filter.

In this post, we recommend 4 of the best water filters that remove chlorine.

The four types of water filter that we recommend are:

  • A reverse osmosis system that is incredibly effective in removing over 1000+ harmful contaminants.
  • whole house system that will filter all of your household water (drinking & bathing).
  • A water filter pitcher that is less expensive and requires no installation
  • A chlorine shower filter that will protect your skin, hair, and lungs.

Read on to find out more about the best water filter for chlorine removal.

The Top 4 Chlorine Filters

These are the chlorine filters that we feel offer some of the best protection out there.

1. Reverse Osmosis – iSpring RCC7

iSpring RCC7 High Capacity Under Sink 5-Stage Reverse Osmosis Drinking…

  • High Capacity Reverse Osmosis water filtration for safer, healthier…
  • Experience clean, safe, good-tasting water every time you turn on the…
  • Easy, do-it-yourself installation, typically in a couple of hours with…

Reverse osmosis is the most effective form of home water filtration available. This method of filtering water can remove 1000+ pollutants from water by up to 99%.

This particular system is one of the best, and is certified to remove 94-95% of chlorine, and over 90% of chlorine’s harmful THM by-product.

It has been awarded a WQA Gold Seal to prove its effectiveness in filtering drinking water.

It is installed under the kitchen sink, and provides clean drinking water at the kitchen faucet.

The iSpring brand is one of the best in the business of water filtration. They have a great reputation, and offer an amazing one year satisfaction guarantee, and lifetime support from their team of specialists.

2. Whole House System – Aquasana Rhino EQ-400

Aquasana Chloramines 4-Year, 400,000 Gallon Whole House Water Filter…

  • Designed for chloramine removal – Removes 97% of chlorine and the…
  • 400,000 gallons or 4 years – high-performance water filtration for…
  • System includes filtration tank, 10″ pre-filter, post-filter,…

This is a whole house system that will filter all of the household water. That means clean drinking water, and also bathing water that is safe from chlorine.

This model specializes in the removal of chlorine and its by-products. It has been independently tested to remove an amazing 97% of chlorine, as well as chloramines. It also removes dangerous heavy metals such as mercury and lead, as well as herbicides, pesticides, VOCs, and industrial solvents.

Being a whole house system, it is the most expensive of our recommendations. However, the chlorine filter can last up to 6 years, which surpasses anything else I have seen.

It takes a bit of extra work to install, but it will protect your whole home from harmful contaminants.

3. Water Filter Pitcher – ZeroWater 10 Cup Pitcher

ZeroWater ZP-010, 10 Cup Water Filter Pitcher with Water Quality Meter

  • 10 CUP WATER FILTERING PITCHER: You’ll always have cleaner, pure…
  • FIVE STAGE WATER FILTRATION: Unlike many water filters & pitchers,…
  • NOT AN ORDINARY WATER FILTER: ZeroWater filters filter water in 5…

This water filter pitcher is the only one certified to reduce lead, chromium, and chlorine. It also removes over 99% of mercury, copper, and arsenic. It’s also the cheapest of the drinking water filters that we have included, by some margin.

It uses a 5-stage filter that removes up to 99.6% of total dissolved solids (TDS) from the water. A nice touch is the inclusion of a digital TDS meter which allows you to measure the quality of the water.

This water filter is completely portable, and doesn’t require any installation. Despite its simplicity, it’s still an effective filtration tool.

4. Shower Chlorine Filter – Culligan WSH-C125

Culligan WSH-C125 Wall-Mounted Filtered Shower Head with Massage,…

  • Wall-mounted filtered shower head, meets epa water sense certification…
  • Shower head has anti clog rubber spray nozzles that offer 5 spray…
  • Shower head and filter are easy-to-install, no tools required

This chlorine filter shower head is really easy to install and requires no tools. The filter cartridge lasts for around 6 months, and protects against chlorine and sulfur. It is NSF certified and meets the EPA Water Sense certification standard. The filter media is also patented to inhibit bacterial growth.

The chlorine filter shower head has anti-clog rubber spray nozzles that give 5 different spray settings, for maximum comfort. It is also available in wall mount or handheld options.

This model has some of the best chlorine shower filter reviews we have seen. But, best of all it is really attractively priced.

Water Chlorination: The Backstory

Water chlorination divides opinion. Let’s take a look at the facts to see whether you should be concerned or not.

What is Water-Treatment?

This is a process that involves the use of chemicals in order to kill germs making water safe for drinking, industrial uses, and recreational uses among others. The process helps to remove contaminants and reduce their concentration making water it safer for use. When water is treated, substances removed include suspended solids, bacteria, algae, viruses, fungi and minerals like iron and manganese.

What is Water-Chlorination?

This is a treatment method that involves the addition of chlorine or hypochlorite in water. This is done to kill certain bacteria and other microbes since chlorine is highly toxic to them. This helps to prevent the onset of health conditions like cholera, dysentery and typhoid.

Water that is used for consumption and cooking needs to be free of micro organisms. When a person contracts any of the related diseases, it usually depends on the pathogen, number of organisms, strength of the organism and the volume ingested among others. In order to purify the water, a specific treatment called disinfection is carried out.

The History of Water Chlorination


Crude death rate for infectious diseases – United States, 1900-1996

The use of the water-chlorination procedure started back in the early 1900s and the first use of chlorine gas to disinfect drinking water happened in Middlekerke, Belgium in 1903. Previously, treatment was done using hydrated lime or bleaching powder.

In 1908, the city of Jersey City, New Jersey became the first city and state in the US to perform a full scale treatment procedure using sodium hypochlorite. In the same year, the Bubbly Creek firm started the process in Chicago. This time chloride-of-lime was used.

C.R. Darnall compressed chlorine gas in a steel cylinder in 1910 and this has been the most common method for treating water. In 1914, the US Department of Treasury set up standards calling for a maximum bacterial concentration of 2 coliforms per 100ml of water. This required effective disinfection which led to use of water-chlorination by treatment plants.

In the 1930s, the treatment procedure had prevented all health conditions associated with water diseases in the US.

The Positive Effects

Reduction of bacteria and viruses in water

Water has many uses in homes and industries. In homes, it is used to quench the thirst and cooking while in industries, it is used in the production of goods as well as cleaning. It is derived from many sources ranging from rivers, streams and springs.

As it flows from one location to another, it comes into contact with plants, rocks and human activity. This leads to the deposit of bacteria and viruses. Due to this, it has been found to cause health conditions like cholera and typhoid. Chlorine is toxic and when added to water, it reduces the volume of bacteria and viruses.


Scalability and low cost

The process of producing chlorine is done on a large scale and the raw materials used are abundant. This has made the production of the gas as well as the byproducts for treatment to be affordable. The large scale production of the treatment product has made it possible for treatment plants to dispense the product in the water via large pipes and tanks.

Residual protection against re-contamination

When treatment is done, the chlorine mixture added does not drain away easily and thanks to its residual protection, users cannot experience the onset of diseases. The toxic levels of chlorine itself help to reduce the volume of bacteria and viruses which are known to cause different diseases.

The Negative Effects of Water-Chlorination

  1. It offers relatively low protection against protozoa – this can lead to the onset of health conditions like amoebic dysentery among others.
  2. It lowers disinfection effectiveness in turbid waters.
  3. Quality control of the solution must be ensured.
  4. There are potential long term effects of chlorine by-products.
    1. Chlorine combines with organic matter to form byproducts called Trihalomethanes (THM). These are very toxic when consumed in water, inhaled as water vapor when bathing, or even applied to the skin when bathing too.
  5. It gives the water a bad taste and odor. This affects drinking, cooking, and bathing.

It seems, with water chlorination, that we are being given protection against one thing by something that is just as hazardous. It’s a worrying thought that something so potentially toxic is knowingly added to our water.

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1 Comment
  1. I am curios when you say 300,000 gallons, 3 years do mean to change the filters, is it the life of the unit?

    Thank you

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