8 Best Shower Filters (Reviews & Complete Buying Guide For 2019)

The primary reason for using a shower head filter is for hard water issues.

As we all know hard water is very harsh on the human body. It can dry your skin and caused particular problems for people with sensitive skin.

It is also quite harsh on your hair and can make your hair lose its shine.

A quick fix to solving a hard water issue for your shower is to use a shower filter for hard water. This is a much cheaper and quicker option than to use in a whole house water filter system.

This complete guide is broken down into two parts. Firstly we have reviews on the latest shower water filters currently available on the market, then the second part is the complete buying guide.

The guide goes in-depth into everything you need to know about shower filters.

 The Complete Shower Filter Buying Guide

It can be a little overwhelming when you look at the sheer number of shower filters available. It is quite confusing the options you have.

This complete buying guide will give you everything you need to make an informed decision about which filter is best for you and your home.

The guy discusses exactly how shower filters work, the various types currently available and exactly why you need one.

Shower Filter Types

There are three main types of shower filter currently available –

Inline shower filter

Inline shower water filters do not replace the shower head. They are situated between the shower head and the shower water pipe. This type of filter allow you to keep the same shower head you currently use. This way it retains any special features that it may have and also allows you to maintain its design appearance.

Shower head filter

This type of filter directly replaces existing shower head. Big can often be larger in size than most regular shower heads but not always. Modern showerhead filters have much improved design. Most of the time you would not even realise that is not a regular shower head. The filtration takes place in the new shower head itself.

Combination filter

This type of filter replaces the existing shower head and is also attached as in the inline filter. These are usually much bigger than the other two. The cartridges self is usually located within the inline section. Water pressure is managed through the shower head. Some models of this type of filter have been shown to increase the pressure of the water coming out of the shower compared to the other two types of filter.


Filtration Cartridge Types For Shower Filters

Kinetic Degradation Fluxion

Also known as KDF filters. They are used with carbon filters usually or they can be used on their own.

These filters are created from zinc and copper. They are highly successful in stopping viruses and unwanted bacteria. KDF also a very successful at removing other unwanted contaminants that are prevalent in most people’s water feeds.

Carbon filters (Multi Level)

This type of cartridge are the most prevalent out of all the different types available. They are very similar two filters you can already find in the majority of mainstream water filters. The process involves directing water through the series of carbon filters, each of these filters has its own specified used in terms of removing a particular contaminant.

The number of cartridges within this type of filter varies greatly depending on what you’re trying to remove from the water. They can also greatly differ in terms of price due to the sheer amount of parts required.

Vitamin C cartridge

This type of cartridge is an add on to an existing filter. It’s primary functions how mainly to help remove chlorine but also to expose your skin to the vitamin C contained in it. This type of cartridge is not very effective at removing any other type of contaminant.

Do You Really Need A Shower Water Filter?

If your current water filter covers your entire house then you do not need is shower filter. If you do not have a whole house water filter then it’s advisable to get the shower filter.

Your water feed will vary depending on where you live, the majority of local authority water feed provide the minimum quality of water required. This means that your water feed contains numerous contaminants and also maybe very hard.

And how often your local authority change the pipes for the system around you. This is very rare, usually only if a pipe bursts. Even then they may not replace the pipes around it. Some pipework underground maybe over 100 years old.

The pipes actually need to break down before anything is done with them, whilst they are breaking down the quality of water they contain is reducing constantly. Contaminants find it easier to get into an old pipe network nanny new one. The materials in which the pipework is made also may contaminate the water.

It’s important to understanding that the quality of water coming out of his shower can be affected by the state of your pipework that the local authority uses.

When these networks of pipes were initially created the materials in which they were constructed from we’re not considered dangerous or unsafe. As time has gone by we understand now that serve materials are not the best option for pipework and can cause issues.

One of the materials commonly used is lead. LED still remains in a lot of pipework for the majority of cities and towns. Years ago lead was considered a great option as it does not rust when water comes in contact with it, also it was relatively low-cost.

Lead as a material is very strong, no it has its weaknesses. This means that small amounts of Lead can actually get into your water feed as they break off. This is inevitable if you have lead pipe feeding your home. This is not a good thing if it happens on a consistent basis.

Important to consider that when these pipes get damaged, especially if the damage is very small. The local authority will rarely do anything about it. Imagine if they needed to open up the ground to get it pipes every time as small leak happened.

The issue with the small cracks or holes in the pipework means that contaminates can easily get into the water. These contaminates will end up in your home.

Often in the past when larger leeks appeared in lead pipework, the local authority would patch up these leeks with iron. These iron fixes used corrosive metal that rusts. This means that the rust from these patches can directly end up in your home water feed.

It’s important to consider also the age of the pipework in your own home. If it has been in your home for over 35 to 40 years or more, then chances are you may have contaminates actually coming off your home pipework. The simple solution to preventing any contaminants in your shower water is to use a shower water filter system.

What Are The Pro’s Of Using A Shower Filter?

Making your water soft

The majority of homes receive water that is hard. In terms of a shower this is not ideal as hard water can have an effect on your skin. It makes it drier than usual. It can also have an effect on your hair – reducing shine and also weakening it. Using a filter will allow your water to become softer.

Chlorine reduction

Chlorine is one of the most prevalent compounds in our water feeds. It is the most common method for treating contaminated water. It’s important to understand that not all of these chemicals are always removed completely from the water. This means that some remain and can go direct into your body.

Please disinfectant chemicals can have an effect on your skin and hair. They can remove all natural oils making your hair and skin look dry and unhealthy.

Chlorine is being proven to change the colour of hair slightly when it dries. If you have excessive amounts still in your water then this can be particularly harmful to your health.

Chlorine can also cause issues with children. A child has more vulnerable to chlorine and may develop long term health issues are regularly exposed to it.

Other chemicals

It’s common for other chemicals to find a way into your water feed. Chemicals such as herbicides and pesticides bleach their way into your water source. There have also been extreme cases in the US where pollutants from industrial companies have been found in drinking water.

Viruses and other bacteria

This type of contaminant can still remain or be acquired in the water pipes. Using a shower filter can reduce the chance of any unwanted bacteria or virus coming into contact with you through showering. If you’ve used the same shower head for a long time then also bacteria can build up here. Shower filters can help remove this type of bacteria because cartridges within them need regular replacement.

Shower Water Contaminants

Regular shower water can contain a vast array of different contaminants. These can include bacteria, physical particles, metals, chemicals and viruses. Often show water is also hard from magnesium and calcium being in the water.

In some extreme cases you may find pollutants in the water from industrial applications.

In terms of chemicals chlorine is the most prominent one in our water supplies. Chlorine is vital to removing dangerous elements from the water. It is highly effective at doing it’s job.

There are downsides to using chlorine in your shower water, these mainly affect your hair and skin. Chlorine removes all the good properties from your skin and hair if you are exposed to it on a regular basis it can be quite damaging.

Chlorine also cannot remove any existing calcium or magnesium from your shower water. The simple test to see the amount of these two elements in your show water is to see how quickly your shower head builds up with limescale. Limescale forms a different rates depending on the amount of calcium and magnesium in your water.

Chlorine is usually introduced by your local Water authority. It is the primary process for removing bacteria in your water. That’s not to say chlorine can actually enter the water at a later date and will remain when it comes out through your shower.

Often other chemical such as pesticides can Leach into your water pipes and these then come out through shower head. Often use in crop growing, pesticides for many years have been leaching through the ground. They can get access to a water source through fissures in our pipes. They are quite common in areas in the groundwater.

Other elements such as metals can actually break off from old pipework or filter through cracks and small holes in existing mains pipes.

The best way to see exactly what is in your shower water in your home is to test the water with a water testing kit. This will give you a clear idea of exactly what is coming through your shower head.

How Do Shower Water Filters Work

Shower water filters are designed to remove as many contaminants and unwanted substances from your shower water. The primary purpose of this is 2 produced water that is beneficial to your body. You don’t want to be showing in water that is detrimental to your health or wellbeing.

Filter attached to a shower use a system of pushing water through a number of cartridges and filters. As they go through the remove any unwanted contaminants existing in the water.

These filters include:

Carbon filters

The number of carbon filters actually used in a specific shower filter very greatly. In modern filters it can be up to 12 different carbon barriers that are used to remove contaminants.

They use a company of physical removal and also chemical removal. The physical aspect uses a very tightly woven filter that picks out physical larger particles from the water such as metals, sediment and other debris. Is can also remove large particles affect area.

The chemical aspect includes softening of the Water by using ion exchange. This stops calcium and magnesium particles getting through that cause hard water and limescale.

Another aspect of the chemical process is whey activated carbon filters stop chemicals such as chlorine and organic compounds.

Depending on the type of filter you buy the Range and number of different filtering processes vary greatly.

KDF Filter

PDF filters were introduced in order to replace silver as a material in your water filters. As you know silver is a very expensive material and can also remain in the water after the process.

Usually now KDF’s are made primarily of zinc & copper. These metals in company create a minor reaction where molecules will bounce electrons from one to the other. This transfer process will create new elements. It means contaminants such as chlorine actually change structurally and become benign. Some chemicals are removed from the water completely.

Often KDF filters are used in conjunction with carbon filters to remove the bacteria in our water.

Vitamin C filtering

Vitamin C filtering has a specific function only. This is a great method for removing chlorine from your water. Some of the best filters can remove almost all chlorine, whilst others may state that they use vitamin C filtering but really they are not as effective how to removing chlorine.

This is the only function as other contaminants are really affected by this type of filtering.

The process works by exposing vitamin C directly to your water.


As you can see by the information we provide it related to showers and shower filters it’s very important that you test and improve the quality of the water coming through your shower head.

After testing your water, it’s important to consider the best shower head filter to meet your needs. Some filters will be better than others at performing certain tasks. The filter itself may look great but will it benefit you and your health.

Also don’t be fooled into going for the most expensive option on the market hoping that it will automatically fix all your problems without you needing to test the water.

This is such an important step and should not be missed out. Take a look at our complete guide on testing water and water testing kits.

Once you have established the best type of shower filter for you then it’s time to look at which is the best option currently available. Take a look at a folder using comparison charts in order to guide you through the process and make life easier.

Don’t delay, make sure you add a water filter to your shower as soon as possible in order to aid your health and physical appearance.

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