Products & Services

Reverse Osmosis Filter Review – The Best Reverse Osmosis System 2019?

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Crystal Quest Thunder 4000M(P)
Reverse Osmosis Filter Review


Crystal Quest CQE-RO-00112 Thunder 4000M RO+UF Reverse Osmosis System by Crystal Quest - 50 GPD
  • Overall Rating: 8/10
  • Price: $520 / £427.70 (Or $15 per month) – Standard,
    OR $610 / £502 (Or $20 per month) – with Pressure Pump
  • Best Place to Purchase:    (/    with Pressure Pump)
  • Customer Reviews: N/A
  • Guarantee: 1 Year Warranty* & 30 Day Money-back Guarantee
  • Material: Plastic / Metal

*(If installed by a licensed plumber)

If you read our post about The Top Water Filters for drinking water, you may know that Crystal Quest offers a high-end Reverse Osmosis Water Filter.
But, we didn’t get to cover it in full detail. So today, we’ll help you
decide whether this water filter really is for you. We’ll be covering a
range of pros and cons, and delivering a final verdict in this reverse
osmosis filter review.

Water supplies across the world are full of contaminants. This means developed countries, and undeveloped. Chances are, you’ve been drinking is impurities for a long time, and unfortunately they have been linked to quite a few you health risks.


We covered this in a separate article, but potential risks include cancer, endocrine disorders, reduced reproductive health, and more. This water filter helps to remove a lot of these chemicals and impurities, but what makes it different to the rest?


What Does It Do?

The Thunder 4000M(P) is a 17-stage Reverse Osmosis System. However, it combines several other technologies, too, such as ultrafiltration membranes, carbon filters, and UV sterilisation. What this results in is an outstanding amount of impurities being removed from the water.

At the same time, you can also add other parts to the filter to improve its function, such as a remineraliser which we highly recommend. More about that later.

Product Note: You can buy this filter with or without a pressure pump. The 4000M is without, and the 4000MP comes with one. You’ll need the pressure pump if you you have a low water pressure (below 35 psi) in your house / supply.

If you don’t know your water pressure, you can measure it using a simple pressure gauge (available in most hardware stores) or research your type of boiler and supply

Let’s take a brief look at what different stages of filtration does.


Reverse Osmosis

This is a technology used in water purification to remove a varied amount of contaminants. It works with a semi-permeable membrane through which water is transported by using pressure.

By doing this, it effectively removes:

  • Heavy Metals such as Mercury and Lead
  • Fluoride
  • Sediment
  • Hormones and Pharmaceuticals (/ Drugs)
  • Minerals*

However, it may leave some amount of:

  • Microplastics (including BPA)
  • Chlorine
  • Chlorine By-products (including trihalomethanes)
  • Volatile Organic Chemicals (VOC’s)
  • Bacteria, Viruses, Cysts, Pathogens


Reverse Osmosis Filter Review - less Heavy Metals Fluoride Sediment Hormones and Drugs Minerals, washing hands in fresh natural water*Whilst being effective, reverse osmosis is best when paired with other methods. This is because it removes beneficial minerals and a considerable amount of some contaminants can get through it.

However, the RO technology of this filter removes contaminants down to 0.001 micrometres of size!

That is far more than you might expect from other systems, and is by no means unimpressive.


One thing that nonetheless makes this filter so high-end in quality, is that it combines different techniques for the best outcome. If you want fresher, more natural water, this is a good start.

Carbon Filtration

Due to the versatility, carbon filters (such as granular activated carbon blocks) are found in a range of different water filters.

They reduce contaminants by adsorbtion (basically, they trap particles on their surface). However, carbon filters home with multiple different filter sizes, most of the time varying from 0.5 micrometres up to 50. The smaller the filter size, more contaminants removed.

The Crystal Quest cartridges filter particles down to 5 micrometres of size. Therefore, you can expect chlorine, VOC’s, some microplastics, sediment, mercury, and unpleasant tastes and odours to be removed.

Carbon filters have an extremely large surface area, which is what makes them efficient filters with an expected function time of 6 to 9 months. After which time, you can purchase replacement cartridges.


Extra and Ultrafiltration Stages

Several extra stages of filtration ensure that what does get through initial stages, doesn’t get into the water. These include four 1 micron pre-filter pads, and a 0.2 micron ultrafiltration (UF) membrane.

Another technology combined in the filter is the use of copper and zinc alloys. These have powerful effects on heavy metals, chlorine, iron, and hydrogen sulphide whilst preventing bacterial growth. Additionally, de-ionization stages target metals, resins, and water hardness.

In order, the water is filtered by:

  1. Carbon
  2. 0.2 micron UF membrane
  3. 1 micron filter
  4. Granular activated carbon (GAC)
  5. Ion exchange
  6. Alloys
  7. Alloys
  8. 1 micron filter
  9. Reverse Osmosis (RO)
  10. 1 micron filter
  11. Eagle Redox Alloy beds
  12. Eagle Redox Alloy beds
  13. Ion exchange
  14. Granular activated carbon (GAC)
  15. 1 micron filter
  16. Ultraviolet (UV) water sterilisation
  17. 0.2 micron UF membrane

The final two stages in particular prevents bacteria and help to provide pristine levels of purity.

Let’s see whether it could be the best reverse osmosis system 2019, or not. Here are the pros and cons.


Here are some of the benefits of using a water filter. For the sake of this reverse osmosis filters review, we’ll also be comparing this model to other competing filters on the market to see how it stacks up.

After these, we’ll discuss the cons and then deliver a final verdict and decision on whether the crystal quest filter is really the best you can get.

Removes over 500 Contaminants

Don’t forget Why To Use A Water Filter. There are many reasons to use a water filter, but none more significant than removing harmful chemicals and impurities.

Without a doubt, that makes this is one of the most effective water filters available. With all of its stages, it can remove over 500 contaminants in water to a high degree.

Here is a quick list of some of the most significant reductions:

  • Overall Water Hardness
  • Total Dissolved Solids (Sediment, Rust, Silt, and More)
  • Aluminium
  • Calcium
  • Chloride
  • Copper
  • Fluoride
  • Iron
  • Magnesium
  • Manganese
  • Nitrates
  • Pathogens and other organic molecules
  • Sodium
  • Trihalomethanes

As you can see, using this system provides significantly pure water. It removes a range of harmful chemicals and unwanted impurities, preventing them from getting into a water and ultimately into our bodies.

Compared to other competing multi-stage water filters, the 17-stage Crystal Quest is extremely in-depth with even more filtration just to ensure quality. The well-reviewed Radiant Life 14-Stage water purifier, for example, has less stages and yet it is much more costly to purchase. We’ll talk about this more later on.

When considering a high-end water filter, you want to know you’re getting what your money is worth. So, being able to know that a good job is being done is essential. This earns the Thunder 4000M(P) a big plus in this review.

Remineralises Water

Some of you may have noticed something about the list above. And maybe also about reverse osmosis… The minerals are removed from the water! Initially, this is a negative point for the filter, as the minerals in water help to provide alkalinity, taste, and nutrition.

However, the argument is slightly conflicting nutritionally, as a balanced diet provides the same minerals that water does. Nonetheless, it is better to have them them to go without.

So, what can you do about this? Well, something particular about this reverse osmosis system, is that you have the option to add beneficial minerals back in.


The Natural Mineraliser Cartridge lasts for up to 1 year, and helps to provide us with calcium, magnesium, sodium, and potassium. These are essential for overall health, aiding organ function, growth, and fighting free radicals.
Moreover, inadequate amounts can lead to reduced bone strength, heart disease, and other chronic illnesses.

The cartridge comes at a price of $69.00, but is currently reduced to $52.00. You should get a plumber to install it.

Other alternatives to remineralise your water include adding mineral drops (about $67 / £55 per year with repeated purchases) or a small pinch of (pink) Himalayan salt.

Reverse Osmosis Filter Review - beneficial minerals alkaline healthy water natural spring

Value For Money

As related to the point above, the water purifier does provide a high amount of value. In this reverse osmosis filter review, it’s clear that the Thunder 4000M(P) model is one of the top of available on the market.

However, its value doesn’t just lie in its effectiveness and ability to add minerals back into the water. They certainly help, but there is more.

As with a lot of filters (and other devices), you’ll eventually need to replace certain parts to keep it functioning at its best. This does sound like a hassle but only has to be done every 0.5 to 4 years, depending on the part. (We’ll explain that part)…

This is a con on our list, make no mistake. But we know that we could say the same about most (if not all) multi-stage filters.

On average it doesn’t cost more than expected for its product type and is mostly a necessary investment. The reverse osmosis membrane will require replacing every 2 – 4 years. The remineraliser each year, the UF membranes every 1 – 3 years, and the carbon blocks 6 – 9 months.

If we break it down, it can add up to differing amounts of money but is useful. The more you use it, the more you’ll need to replace it, and vice versa.

That is to say, if we assume maximum costs, without any discounts or offers, it will equal $297.60, plus $60 the next year for the reverse osmosis membrane. However, considering minimal costs, still without any discounts or offers (and divide by the years) that will be reduced to roughly $207.00 per year. Those prices include the recommended remineraliser.

It’s fair to say the filter does deserve a point for its value, despite the hassle of the re-purchasing parts.

Once again compared to the Radiant Life 14-Stage water purifier, there is an advantage here. Despite not requiring replaceable parts, the filter costs $1,695.00 at its lowest, or the equivalent of 4-6 years’ worth of using the Thunder 4000 17-Stage Water Purifier.

Note: The running costs we discuss further below.

1-Year Warranty

Another thing to like about this filter is its warranty. There’s nothing worse than buying something, especially anything high-end, and something going wrong. But even worse when you can’t get a refund or replacement.

For the filter system, Crystal Quest provides a warranty to protect purchasers considering this. You can read more about it here. As long as it is installed according to the ‘Use and Care Manual’ buy a licensed plumber, you’ll be able to get a repair, replacement, or refund without charge should it prove to be faulty.

This means that you can have more confidence in your purchase, and does make the company more trustworthy.

This is a plus for our reverse osmosis filter review.

Not only could it possibly be considered the best reverse osmosis system 2019, the warranty gives it a trusting reputation.

Monthly Payment Available

Budgeting. It’s a useful thing. Not everyone has the money around to outright buy a lot of the things they have, including cars, houses, and machinery.

Fortunately, whilst you probably won’t need a loan for this system, that doesn’t mean you have to save up the full price either. offer you the option of instead making smaller monthly payments on all orders over $500. If you apply for their equipment financing options, you can lease-to-own the Thunder 4000M(P).

This can be as low as $15 Per Month without the extra pressure pump, or $20 Per Month with it. You can see more details over at the product page.

Fresher Taste and Odour

As expected, improved taste and odour are nice bonuses to the benefits of using this water purifier. But without the mineraliser / alkaliser, the water may taste a bit “flat”.

This is because the flavour of most tap water (and bottled) comes from the added chemicals. Without these, water has a much more neutral and natural taste.

Removing the beneficial minerals also affects the taste, however. So adding them back into the water will not only benefit health but may result in a better tasting refreshing glass of water.

Works With Lower Water Pressures (35-60 psi)

Similar water filters require a higher water pressure to function properly. For example, the iSpring RCC7AK 6-Stage water filter requires at least 45 PSI, although it has less stages. Other filters even require at least 60 PSI, too. This often means that you have to buy a pressure pump.

And although that isn’t necessarily a troublesome endeavour, if you don’t need it, you’ll be saving money and and space.

The Crystal Quest Thunder 4000M works with water pressures as low as 35 PSI, which is better than average for this kind of filter. Smaller reverse osmosis systems may work at least only at slightly lower PSI scores. So, for one this size it is a good thing for customers.

The other benefits here is that there is an option where the pressure pump: The Thunder 4000MP.

lower water pressure needed 35 - 60 PSI - pressure gauge

Additionally, you can expect a flow rate of up to 0.5 gallons per minute when using this filter.

Free U.S. Shipping

This is a bonus more about the distributor: FilterWater. By buying from their website, those inside continental USA are eligible for free shipping on all orders over $99.

Since these filters cost above the free shipping requirement, you need not pay for any shipping to receive the product. It will typically be sent within 2 to 3 days.

Produces up to 100 Gallons Per Day

A common issue with a lot of water filters is the time taken to filter water and the output amount.

Saving any stress, you can get up to an impressive 100 gallons per day of freshly filtered water. You won’t need to worry about running out at any rate, realistically. (Though the 4 Gallon holding tank might not hold up too well if you do run that much at once!)


Onto the cons of this water filter… This reverse osmosis filter review considers the most significant disadvantages, which will help us to give a more detailed and unbiased verdict.

Extra and Replacement Parts Must Be Purchased Seperately

We mentioned above that the extra parts were positive aspect. They allow you to add minerals back into the water and create a more natural pH level.

However, many of the filter parts will be optimally functional only for a certain amount of time before needing replacement. This is to be expected for a multistage water filter like this, but for one with so many stages it means that replacements will be more required.

We mentioned above the approximate costs that this could bring about each year. Unfortunately, these are necessary and typical for these kinds of filters. This can make the replacement cartridges feel like an additional cost, and more than some people may be willing to pay.

As it comes with no replacement filters or mineralisers from the initial purchase, you’ll have to get more after time. And, to add the minerals back in is a small investment on its own. This is because the filter doesn’t do so without the additional cartridge.

Requires Space To Install

This one is kind of a given, but not always practical.

As you may be able to see from the image at the start, the filter isn’t exactly small. After all, in is something that needs to be plumbed into your water supply.

This will need to take up space somewhere. Most often, people keep these under their sink where they are more out of the way and less visible. Other options may include wherever you can fit it or outside if you can keep it covered properly.

If you make a space outside, imagine the area first.

Running Costs

For the average household, it may run up to $250. This is a disadvantage, the cost is incurred simply for making use of the filter as you may a tap.

Overall this does make so reverse osmosis filter an expensive option. It provides a lot of quality but also comes at a price. The value for money provided by this filter is certainly in its positive range, but that range isn’t ideal for everyone.

Lower PH

This reason enforces the fact that you should really get the mineraliser/alkaliser if you get the filter.

Having a lower pH level isn’t ideal, it makes the water more acidic. Long-term this may affect health, and over time could corrode materials like metal and plastic. Unfortunately, this leaves it more susceptible to pollutants (which I do find quite ironic).

This could take away from the water filter benefits if not prevented.

These pollutants include some of those which were removed by filtration such as toxic metals and plastics.

Ideally, drinking water should be between 6.5 to 8.5 when it comes to pH levels, according to The United States EPA.

Anyway, a higher pH alkaline water is said to taste better and have more health benefits. Although these benefits have not been officially proven, the theory behind them does make some sense by helping to keep our acidity levels stable. Our body does a good job at this anyway, but as we may have so much water it’s possibly more impactful.

The health claims include that it can help with metabolism, regulating your own pH, support immune system health, increase blood oxygen levels, and more.


Final Verdict – Is This Filter The Best Available?

To conclude, here is our overall score for the filter, and we’ll give a breakdown of why this is afterwards. Before I do, tell me what you would give this as a rating! Do you find it interesting? Would you get one? Leave a quick comment below. 🙂


… … …

Overall, I rate this a positive 8 out of 10.


In this Crystal Quest Thunder 4000M(P) Reverse Osmosis Filter Review, we have discussed in depth the positives and negatives about this filter.

Being one with a price range of other premium filters, it’s important to analyse whether or not it stands up to the mark….

We all like to jump on the bandwagon sometimes, and the increasing trend of using water filters is certainly worth it. But, another useful idiom here is “look before you leap”. (I just realised they make sense together! Get it?)

To summarise…

This is a highly effective water filter. And quite possibly the best reverse osmosis system (2019).

With 17 stages of purification, it does a lot for your health and taste buds. Additionally, it provides high value for its money, especially considering the warranty and financing options and free shipping from

Like other water filters of its kind, it does require replacement parts. These can cost a considerable amount altogether, despite being necessary. Furthermore, if you’re getting this filter, it is highly recommended to get the extra mineraliser cartridge, which usually costs $69.

The positive sides undeniably outweigh the negatives. But for some the negatives may be more significant, which is why I give a well-deserved 8 out of 10 for this product. It will suit a lot of people’s needs for sure.

So if you said you’re interested, you can Pick One Up Here!

[Or Here if you need a pressure pump c:]

Alternative Options:

If this isn’t for you, perhaps look at this cheaper filter if you’d still like high quality drinking water. Or, you can check out The Top 5 Water Filters For Drinking Water!

Read: A Make Water Pure Distiller Review

The above distiller is high-quality, and comes at a much more affordable price. It works well in the kitchen and can provide much better water than tap water, whilst being cheaper water than bottled.

That’s it for this review, thank you for sticking with me on this, and well done for finding more information before making a decision. That’s always wise, as any Ronin would tell you.

Until next time, stay healthy

Products & Services

Why to Use a Water Filter – About Harmful Chemicals

You’ve likely heard of water filters, and maybe even considered one. But, what do they actually do? What do they not do? Here’s what you need to know, and how do you choose the right one.

Why to Use a Water Filter – The Health Risks of Tap Water and Bottled Water

Water filters are becoming increasingly popular in this day in age. And maybe you’re here because you’ve noticed it… Friends and family, friends of friends, it’s possible that you know someone who uses a water filter, and they have very good reasons to. In this article we will be discussing why to use a water filter, and what makes it so important to avoid just plain tap or bottled water.

Many of us may be at risk for adverse health effects and not even know it! That is why it is important to learn about how our water supplies have a role to play in this.

Water is an essential ingredient to life; it’s what gives us vitality and keeps us well, and keeps our planet alive! Despite this, we failed to give it the respect it deserves.

Not only do we pollute nature’s water sources, but we may well be polluting our own sources of water that we rely on…

What Does a Water Filter Do?

Water filters are becoming increasingly common and are used as an effective method to remove impurities from water:

  • Bacteria
  • Fluoride
  • Chlorine
  • Sediment
  • Volatile Organic Chemicals (VOC’s)
  • BPA and Microplastics
  • Heavy Metals
  • And more…

People therefore use water filters as devices designed to improve the nutritional content and safety of drinking water, including for houses, commercial property, and when out and about.

Unknown to many people, there are multiple potential adverse health effects to tap water and even to bottled water.

Hundreds of chemicals are added into our drinking water, and some of these are particularly more harmful than others. Despite the necessity to drink a lot of water on a daily basis (which we should), we often remain unaware of the risks and possible negative health effects incurred by our most common supplies.

That’s because we’re not told about them…

Here we will be covering just a few of the main chemicals and harmful substances found in our water supplies, before addressing the water filters best suited for removing them.

Fluoride – Necessary or Not?

In the early 20th century, researchers noticed a correlation between areas with higher levels of fluoride in water and reduced levels of cavities in children in those areas.

Because of this, fluoride was added to water supplies to see if if the same results occurred.

And indeed, a higher amount of children did have a reduced amount of tooth cavities.

Fluoride toothpaste reduces cavities - why use a water filter

However, there is no research indicating that the same effects occur in adults.

In countries without fluoridated water, levels of tooth decay have still drastically decreased to this day – very similarly to the countries with fluoridated water (^).

This tells us that we actually don’t need the fluoride in the water for the reasons that it is often added.

Nowadays, fluoridated toothpaste is widespread and helps to prevent cavities in children and adults. Additionally, a healthy diet and lifestyle goes a very long way in achieving the same goal. There are many other cost-effective and rational ways to prevent tooth decay without ingesting harmful chemicals. (Chemicals which we really don’t know enough about).

Research has effectively linked fluoridated water to negative effects on our
health. These include the following and potentially more (^)(^):

  • Skeletal fluorosis
  • Dental fluorosis
  • Reduced cognitive health
  • Reduce levels of beneficial fats, proteins, and enzymes in the brain
  • Hyperthyroidism
  • Cancer 

In order to prevent the onset of any of these, reducing or eliminating the amount of fluoride you consume is certainly beneficial.

About 10% of the UK and 73% of the US receive fluoridated tap water. You can check online if you do. Keep in mind though, that some bottled water also contains fluoride.

Fortunately, we can reduce harmful fluoride from our water sources. This is a major reason why to use water a filter in your house and when you’re travelling!

Chlorine and Its Byproducts

Another chemical on which little research has been conducted is chlorine. That which has been conducted seems to be inconclusive on the matter of how chlorine really affects our health.

Some research suggests that the chlorination of water can help to prevent certain adverse health effects such as skin infections. Water suppliers add it to water to kill certain bacteria as a method to prevent illness and has greatly reduced the number of cholera incidents.

However, whilst may be an effective method of disinfecting water, once it enters the body and is digested, it can have adverse health effects.

Similarly, external exposure to chlorinated water also has its risks. The biggest risk of chlorine is its byproducts. Disinfectant byproducts (DBP’s) from chlorine such as trihalomethane, dibromoacetic acid, and haloacetic acids have been associated with multiple adverse effects.

Studies have linked irritative, toxicological, mutagenic, genotoxic, and carcinogenic properties of these chemicals to an increased risk of:

  • Bladder cancer (^)
  • Colorectal cancer (^)
  • Colon cancer (^)
  • Neurotoxicity (in animal studies) (^)(^)
  • Respiratory, skin, and eye irritation (^)

More research is needed for conclusive evidence and to learn more about how DBP’s may also affect health.

How to Reduce Exposure

You may suspect that reducing chlorine and DBP’s are important reasons to use a water filter.

But, whilst you wait for your filter to arrive (Check Out the Top 5 Water Filters) – or until you get one out shopping – there’s one extra trick for eliminating chlorine…

It’s boiling water. You’ll remove chlorine from the water and its byproducts simply by switching on the kettle (or boiling another way).

However, we all know this isn’t exactly cost or energy efficient, especially if you drink plenty of fluids (as you should!). And, we can’t exactly boil our bath or shower water now, can we!

Therefore, the most efficient method comes back to using effective water filters. This is not only often faster, but saves money and energy.

Note: Not all filters will remove these chemicals! How do you find out which ones do? Easily, have a browse of our all-in-one guide… We tell you exactly which types of filter suit different needs, and compare those available – so you don’t have to! Saves time, doesn’t it?

Bisphenol-A (BPA) Plastic in water

You may not ask “Should you use a water filter?” when we have bottled water, right? Wrong…

The demand for bottled water has increased significantly from the
mid-1900s (^).
Many people believe that it is a healthier option than tap water, such as due to the mineral content. People often may associate bottled water with higher levels of minerals than tap water. This simply isn’t true.

Bottled water is even more open to containing chemical and other contaminants than tap water. Not only this, but it isn’t environmentally friendly, and usually cost between 500 to 1,000 times more than tap water! This, at least, is true for countries where tap water is actually drinkable.

Bisphenol-A / BPA is a type of polycarbonate plastic commonly found in food packaging and in water bottles. We also use it in non-food related industries, such as electrical and motor vehicle services. Despite it being an environmental concern, it does perform well in multiple uses. Because of its versatility, it is still widely used today. However, there are safety concerns about its use in drink bottles, as it can leach chemicals. At the same time, we can even find it in unfiltered tap water.

How Does BPA Affect Health?

BPA is structurally very similar to synthetic oestrogen and therefore has been shown to activate oestrogen receptors (alpha and beta). Because of this, it can interfere with signalling pathways for the hormone.

It is considered to be an ‘endocrine disruptor’. This can exhibit toxic effects, linking BPA to a host of hormone and reproduction-related (and other) adverse health effects (^)*:

  • Endocrine disorders (including male and female infertility)* (^)
  • Endometrium, ovary, breast, and prostate cancers* (^)
  • The interfered function of reproductive organs* (^)
  • Decreased testosterone production*
  • Impaired androgen (a male reproductive hormone) function*
  • Liver cancer (^)

As you can see, the adverse effects of BPA are highly detrimental to both women and men, being particularly toxic to reproductive organs. In developing children, these effects would naturally also be detrimental. Especially so considering that BPA may also effect development, metabolism, and asthma (^).

How to Reduce BPA Exposure

There is good new though! We can effectively reduce BPA water levels, and significantly reduce our intake. And I bet you know how! Firstly, you can the bottled water! There are a variety of useful safer bottles, which can save a lot of money too.

The best bet is to use a water filter though. Tap water may also contain BPA, which is why to use a water filter instead of relying on non-bottled water.

Some bottles come with built-in filters, which we’ll speak about in our next post.


Pesticides are organic or synthetic chemicals used to kill pests which feed on our crops.

They can be classified as Volatile Organic Chemicals (VOC’s).

Unfortunately, although may help to protect our crops from parasites and insects, they can harm the environment, ecosystems, non-target animals, and human health.

There are safer alternatives to many of the chemicals which we currently use. As the knowledge and application of organic agricultural methods increase, hopefully the future will be free of these pesticides.

When it comes to why you should use a water filter, pesticides are a driving reason. Even if you eat organically, you will still likely be exposed to pesticides through your water supplies and the environment.

Global circulation has actually lead pesticides to be found in many even rural places across the planet. Researchers estimate that the amount of pesticides allowed by European Standards in agricultural land will be surpassed by actual amounts in 65% of such land. This could go up to 10 times above standards in 25% of the land (^)!

Types of Pesticides

The harmful effects of chemical pesticides have been well documented in some cases, and still need more research in others.

Many people in America would have heard of the brand “Roundup”, and another countries you may have too.

It is a glyphosate herbicide that has caused cancer cases in people and has lead to a lot of tension and upset, including with lawsuits. Honestly, it is surprising that these are still allowed in the market.

Glyphosate is a potent chemical which has been related to many adverse health effects. Studies have correlated it not only to cancer, but also hypertension, neurodegenerative diseases such as Parkinson’s, diabetes, strokes, obesity, IBD, and much more.

Sadly, we have found in water, food, and in our bodies (^).

Carbamate pesticides are another class of pesticides which may help lead to numerous adverse health effects.

Examples include neurodegeneration and cancer, along with neurobehavioural effects. They have also been studied particularly for their endocrine disrupting activities (^)(^) and the ability to negatively affect reproductive health (^)*.

Interestingly, several types of carbonates may be reduced in water with the addition of chlorine. But, this is only chlorine in its pure chemical form, and chlorine poses own health risks, too. We can achieve this same effect with ozone instead (^).

Other potentially harmful chemical pesticides which we can find in drinking water include organophosphates* and organochlorine. Studies indicate numerous adverse effects from all of these chemicals in humans (^).

Certain water filters can effectively reduce or eliminate the levels of these pesticides in our drinking water. This is an important reason to use a water filter for your daily purposes.

Toxic Metals

In addition to what we have covered already, there is also a large amount of toxic metals which we could be removing from our water!

The list of reasons for why you should use a water filter does go on… And here we will briefly explain some of the metals found in water supplies.  Water is one of the body’s most powerful natural detoxifiers. This includes its ability to remove toxic metals from our system. Unfortunately, they can also add them…


Lead is a highly toxic metal which we can unfortunately sometimes find in in our water supplies. This is often due to the corrosion of pipes and influence from external sources.

Lead poisoning is a major public health concern, and sometimes may be cause by drinking water. If the amounts are detected and considered toxic, warnings and actions to fix the problem would be an urgent matter. Fortunately, this is uncommon.

Sometimes, however, long-term exposure to amounts considered “insignificant” could potentially lead to adverse health effects.

Some of the negative effects of too much lead include (^)(^)(^):

  • Anaemia
  • Oxidative stress
  • Reduced calcium levels
  • Impaired respiratory health
  • Compared reproductive house
  • Increased blood pressure
  • Abdominal pain
  • Reduced brain function and mental health
  • Kidney damage
  • And more… 

We can prevent and combat lead toxicity with a healthy diet high in certain antioxidants. These include flavonoids, vitamins B, C, and E, quercetin, curcumin, and alpha lipoic acid. Other herbal antioxidants have been shown to be effective, too (^).

However, a preventative focus on all adverse health effects is a key component to a healthy lifestyle. Investing in one’s own and others’ health isn’t just common sense, it is wisdom. Several water filters reduce and prevent lead levels in water. This is therefore an important answer to our question of why to use a water filter.


Although we find mercury at much lower concentrations than we do lead, and its toxicity from water is less common, it is still a valid concern. Most of the time, the mercury content of drinking water isn’t enough to cause significant health effects. However, if you commonly get exposure to mercury from other sources, reducing your amount is important.

These are some common sources of mercury:

  • Fish high in mercury
    • Tuna – especially bigeye or bluefin but not so much skipjack
    • King mackerel
    • Swordfish
    • Marlin
    • Shark
    • Orange roughy
  • Old-fashioned thermometers (nowadays, mercury is used in these as much)
  • Batteries
  • Broken fluorescent bulbs (these contain a very small amount of mercury, but for those often exposed to such products they should be considered)
  • Industrial situations where mercury is often used

Long-term exposure mercury in drinking water may exhibit toxic effects to developmental and reproductive health (^), and/or induce mercury poisoning. It should be avoided as much as possible in pregnancy and by infants and children (^)(^).

The most common form of human exposure to mercury is that of methylmercury – a synthetic and highly toxic chemical. It is harmful in neurological and physiological ways (^).

P.S. Mercury hides in many households. The Dekanski Team (of the New Jersey ReMax Real Estate Group) provide an all-you-need guide (click here) for identifying this toxin, its household sources, its harmful effects, and for disposing of it – even in household products and equipment.

Not All Water Filters Do the Same Things!

As simple as it is to say that we should use a water filter, there are many different types.

Some will not remove chlorine, and others will not remove VOC’s, and so on. This is because the chemicals found in our drinking water are varied and often quite different. Therefore, it’s important to know what filters to go for, and as luck would have it we’ve made it easier for you!

Read: The Top Water Filters For Drinking Water – Top 5 For Every Purpose!

Summary – Is It Worth Using a Water Filter?

There are many reasons why using water filters is highly beneficial. Both in and out of the household, many should consider using them.

The benefits of water filters correlate with increased health and illness prevention. They are efficient devices for greatly reducing the amount of harmful toxins and substances we consume.

Additionally, water filters may be more eco-friendly and cost-effective than relying on bottled drinks to be healthy (which often aren’t).

We need water. It’s essential for health. In modern days, it is nonetheless a large source of toxins. Therefore, using a water filter to remove these goes very long way in protecting our health.

You can reduce harmful effects and the true benefits of water. Remember though, that different water filters do different things.

Some are more effective than others, and some are cheaper. There is a lot of confusion about the matter, and in this post on ‘The Top Water Filters’, we get to explore it in some more detail.

Water filters should be used; they’re worth it! The sooner we all embrace them, the better.

That’s it for this article. If you learned anything new, please do let me know in the comments below, and share this article with your friends and family on social media. 🙂

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Until next time, stay healthy

What Does a Water Filter Do?

Water filters are becoming increasingly common and are used as an effective method to remove many toxins. Different types remove different contaminants, commonly including: Bacteria, Fluoride, Chlorine, Sediment, Volatile Organic Chemicals (VOC’s), and Heavy Metals. Water filters therefore are devices designed to improve the nutritional content and safety of drinking water, including for the whole house or when out and about.