FAQs - Aqua Perfecta



Find answers to our most commonly asked questions on water quality and purification here.

As part of the hydrological cycle, water is exposed to both natural processes and human activity.
Contaminants from arsenic to coliform bacteria can actually be present in the water you drink – and these can have detrimental effects on your health.
Certain contaminants that have also been found to increase the risk of developing cancer could also be present.

It’s very unlikely to be completely unsafe, but purity levels of tap water quality do vary widely across the UK.  Many contaminants are legally found in tap water that are not good for you.  And many are even cancer-causing.  Also, many harmful contaminants are present in tap water that are not even required to be tested for under UK legislation, like microplastics and PFOAs.

You can download your free personalised Water Quality Report from our website.

It is not possible for the drinking water drawn from your tap to be perfectly pure and free of potentially harmful contaminants. It would be hugely costly for all traces of all contaminants to be eradicated by water companies who deliver billions of litres of water to households.

Of the contaminants regularly tested for in the UK, more than a third have been identified as being cancer-causing in humans by the International Agency for Research on Cancer (IARC). The IARC does not specify the levels of human consumption required for individual carcinogenic contaminants to cause cancer.

Read more about cancer-causing contaminants here.

Chlorine is a disinfectant used by the water industry to keep water clean as it travels around the water supply system. There is no UK legal limit to the amount of chlorine water companies are permitted to add to drinking water.

When consuming chlorinated drinking water, some people are more sensitive than others to its taste. Chlorine is a reactive chemical that bonds with water, including the water in your gut, to produce poisonous hydrochloric acid.

In 1991 the International Agency for Research on Cancer classified chlorinated drinking water as category 3: not classifiable as to its carcinogenicity to humans. Agents in category 3 are not proven to be non-carcinogenic, but it often means that further research is needed. Therefore, it cannot be assumed that chlorine is definitely safe to consume.

Too much exposure to fluoride when growing up can lead to dental fluorosis. Other reports have pointed to more severe effects. Fluoride has been linked with a lower IQ in young children whose mothers were exposed to higher levels of fluoride during pregnancy, and also to a higher risk in developing a rare bone cancer among teenagers. It has also been linked to people suffering from an underactive thyroid (hypothyroidism), where the thyroid gland does not produce enough hormones to regulate the body properly, which in turn can lead to other health issues.

A Chinese study has also drawn a link between fluoridated water and evidence of kidney (and possible evidence of liver) damage.

Fluoride damages nerve tissue and disrupts the body’s hormones. It can harm the thyroid gland and calcify the pineal gland in the brain. The pineal gland is believed to help regulate the body’s sleeping and waking cycles as well as other reproductive hormones.

It goes without saying that you should regularly check, maintain and replace when necessary your household’s plumbing.

If you want to be really sure that the water you’re drinking is clean and safe, invest in an effective water purification solution.

Filtered water is safer, contains far less contaminants and is more eco-friendly, too! You’ll also find that your tap water tastes and smells better, helping you to meet the daily requirement of 6-8 glasses a day.

Undersink water filtration is tidier, more convenient and quicker than any other form of filtration too.

Yes, most definitely – and for a lot less money.  On average, bottled water is around 650 times the cost of tap water.  In addition, bottled water is not eco-friendly:  mainly using plastic bottles and a large carbon footprint in the supply and delivery chain.  And contaminants and microplastics have been found in almost every brand of bottled water.

In 2018, 95% of all bottled water bottles were made from plastic, and Britons drank 2.8 billion litres of the stuff. The UK’s bottled water industry releases 350,000 tonnes of carbon dioxide into the atmosphere every year. It takes 1.53 litres of water to produce 1 litre of bottled water. And, on average, bottled water costs 650 times more than tap water.

In a study, bottled water has been shown to contain 22 times the level of microplastics as tap water.

What else can be found in bottled water?

  • Bisphenol A (BPA) – links to cancer exist. Breast Cancer UK has long campaigned for BPA to be banned in food and drinks packaging.
  • Contaminants of emerging concern (CECs) – these substances are not regulated and include hormones, antibiotics and insecticides.
  • Antimony – this is carcinogenic and can leach from PET (the plastic the bottles are made from).

Microplastics are tiny pieces of plastic, smaller than 5mm. They are divided into two types: primary and secondary microplastics.

Primary microplastics can include microbeads in shower gels and nylon in clothing, while secondary microplastics often break down from larger plastics due to sunlight and weathering.

Microplastics may be involved in disrupting the immune system, creating inflammation, generating abnormal tissue growth, or damaging the brain or nervous system.

They collect in the human body. A 2020 study of deceased people’s organs uncovered dozens of types of microplastic. BPA, which has been associated with cancer, was detected in all of the samples, which were taken from organs such as the lungs, kidney and liver.

Quite probably, yes.

One study found that 72% of waters sampled in Europe had microscopic plastic fibres in them. In another, the University of Hull reviewed six studies on microplastics in tap water and reported the highest concentration of microplastics to be 628 fragments of plastic per litre of tap water. They estimated this as being equivalent to a human adult consuming 458,000 pieces of microplastic per year – or a credit card a week! That can’t be good for you.

Read more on microplastics here.

Our Pura and Fresca models can remove potentially harmful contaminants and impurities including 30 types of trace chemicals, metals and other substances that may be present in your tap water.

Reverse osmosis removes contaminants from your water by using pressure to force molecules through a semi-permeable membrane. Contaminants are filtered out and flushed away, leaving clean, delicious drinking water.

Based on an average household consumption of 10 litres per day, your water bill will increase by about 30p a month, or just over £3 a year. However, most households save many times that amount by not purchasing bottled water (which invariably contains harmful microplastics, in any case).

We are a nationwide company, but with a local, expert service.  We are involved in the design and manufacture of all our products, so we have a deeper knowledge, understanding and awareness than, say, a large impersonal plumbers’ merchant or electrical wholesaler.

We can give personalised advice, based on your actual water and air quality, enabling you to enjoy peace of mind when it comes to the health and wellbeing of you and your family.

If you have some basic DIY skills, you can install yourself! However, if you are at all unsure, we’d recommend getting the help of one of our accredited installers. Simply add this option to your order here.

The Fresca is a direct-flow system (tankless), and therefore delivers a faster flow rate than the Pura with its holding tank.  Also, the Fresca is capable of delivering a larger daily volume of water (2,000 litres v 500 litres).  The other main difference is that the Fresca produces two types of water:  pure for drinking and filtered for cooking.

No, it isn’t.

The Pura comes with a single-way fountain tap that will be installed in addition to your existing mixer tap, to deliver pure drinking water directly from the Pura filtration system’s holding tank.

The alternative is to replace your mixer tap with one of our smart range of 3-way taps, which will do away with the need for the fountain tap to be installed.  The 3-way tap will deliver you perfect hot, cold and pure water.

The Fresca comes with a two-way fountain tap that will be installed in addition to your existing mixer tap, to deliver pure drinking water directly from the Fresca water filtration system.

The alternative is to replace your mixer tap with one of our smart range of 4-way taps, which will do away with the need for the fountain tap to be installed.  The 4-way tap will deliver you perfect hot, cold, filtered (for cooking) and pure water (for drinking).

Quite possibly, but it is worth checking with us first.


Servicing your Pura or Fresca water filtration system every 12 months will ensure you have pure and uninterrupted drinking water. Our full-service option includes a deep clean and flushing, replacing all the filters, as well as testing and recommissioning. However, all our filters and parts are also available for DIY installation.

Depending on the volume of usage, annual maintenance should suffice.

Our all-inclusive maintenance packages are the best way for you to “fit and forget”.

An Aqua Perfecta accredited engineer will visit annually to replace all the filters, deep clean, flush out and pressure test the system. Pay on a subscription basis for ease:

Aqua Perfecta Pura maintenance is £24.95 a month (saving 25%).

Aqua Perfecta Fresca maintenance is £39.95 a month (saving 35%).

The pura dimensions are 380mm high x 125mm diameter, plus 350mm x 240mm for the tank.

The Fresca is 434mm high x 217mm.

Around an hour, and as little as 20 minutes for an experienced plumber.

If your cold water pressure is less than 27 psi (1.86 bar) then you might need a booster pump to improve the flow rate from your Pura water purification system.

If your cold water pressure is less than 36 psi (2.5 bar) then you might need a booster pump to improve the flow rate from your Fresca water purification system.

The most accurate way is by using a mains cold water pressure gauge.  You can buy these for £10-£20, with a ¾” female nut that you can screw onto an outside tap (if you have one).  Otherwise, we suggest talking to a plumber for advice.  Generally, you will know if you are living with low water pressure.  Average pressure in the UK is around 2.5 bar.  1 bar is the minimum that water companies are allowed to supply by law.

The maifan mineraliser unit is available as an optional extra to both the Pura and Fresca water purification systems.  The mineraliser unit attaches to the water purification system and becomes the final process that your purified water goes through, before reaching your tap.   It allows minerals to be added back into your water, raising the pH alkalinity level, whilst boosting the micro-nutrient density of the water.

Yes, it can be fitted anywhere where there is a cold-water supply and drainage.

Yes, the maintenance and servicing subscription is available up to three months from initial purchase.

That does depend on where you are in the country, and the workload of our local installers.  However, we aim get your system up and running as soon as possible: usually around 2-5 days from delivery.

There are a few things that will make your installation go as smoothly as possible:

  • Let us know in advance if the pipework under your sink is hard to access;
  • Make sure you have enough room for the unit to fit under your sink;
  • Remember, an installer is not permitted to drill a marble/granite/Corian worktop. In these cases, your fountain tap would need to be installed at the edge of your stainless-steel sink.  If you have a ceramic sink, then you should consider purchasing a replacement mixer tap to do away with the need for a fountain tap to be installed;
  • Please empty your under-sink cupboard prior to the installer’s visit;
  • Let us know in advance if the water filtration unit is to be installed anywhere else apart from your kitchen;
  • Let us know in advance if your mains cold water pressure is very weak, as you may need a booster pump;
  • Please have a working kettle on the premises, with a minimum of two hobnob biscuits available (this one is optional!)

We recommend using Aqua Perfecta spares, as they have been rigorously tested to deliver the high quality results that we insist on, underpinning the 10 year warranty on the Pura and Fresca water filtration systems.  For ease of budgeting and absolute peace of mind, we offer full-service maintenance subscriptions for the Fresca and Pura – allowing you to pay monthly.  This service means that you never need buy any replacement filters, and we will tell you when your annual “MOT” is due.

Our systems come with a no quibble 10 year guarantee, as they are made using only the highest specification of materials.  However, with regular servicing they should last a lifetime.

Yes.  Please contact us with any question, query or problem – large or small.  Our technical staff are available to guide you towards “water perfection”!

Great news! If you are a qualified plumber, please head to www.aquaperfecta.com to find out more, or join our Facebook Group here.

We’d suggest contacting our Customer Services on 0800 007 3737 who will be able to guide you through any technical problems.