Comparison of the Best Reverse Osmosis System: Buying Guide

Nothing quenches the thirst like a glass ofcrystal-clear waterfresh and pure. But with the quality of tap water sometimes questionable, it's becoming increasingly clear that investing in a reverse osmosis system can transform your daily life. No matter whether your water contains chlorine, heavy metals or other contaminants, these innovative systems are capable of purifying up to 99 % of impuritiesFor healthy, pleasant-tasting water. Here's everything you need to know to choose the best reverse osmosis system for your needs.

Why choose a Reverse Osmosis System?

Reverse osmosis systems are the ideal solution for those looking for advanced purification of their drinking water. By using a semi-permeable membraneThese devices eliminate contaminants such as lead, fluoride and bacteria. However, the downside of this technology is that it also removes beneficial minerals such as magnesium and calcium, which can slightly alter the taste of the water. Fortunately, some models include a remineralisation stageIt gives the water back all its character by adding essential minerals.

Although these devices are incredibly efficient, they also have their limits. Reverse osmosis systems are often slower than other conventional water filters and produce a certain amount ofwaste water. But for impeccably pure water, these constraints are more than worth it.

What to consider before choosing a system

Filtration stages

• A good reverse osmosis system should include several filtration stages. These stages generally start with a pre-filter to retain solid particles, followed by an RO membrane that eliminates microscopic impurities such as heavy metals. Some systems also incorporate a post-filter or remineralisation cartridge to restore the natural taste of the water.

Capacity and Flow

• Daily capacity is a key criterion, especially if your household uses a lot of water. For example, a model capable of producing 50 gallons a day is generally suitable for an average-sized family. If your needs are greater, opt for a system with a capacity of 90 to 100 gallons per day or more. This ensures that filtered water is always available, even during peak consumption periods.

Easy to maintain

• A practical system should be easy to maintain. Choose models where the filters are easy to replace and maintenance does not require complex tools. This criterion is essential to guarantee the durability and performance of your appliance.

Certifications

• Certifications such as NSF/ANSI 58 are a reliable indicator of system quality. They certify that the appliance meets performance and safety requirements, ensuring you have safe drinking water.

To help you navigate a market full of varied options, here is a selection of the best reverse osmosis systems, ranked according to their features, ease of use and overall performance.

Comparison of the Best Reverse Osmosis Systems

Our selection starts with the 2 best reverse osmosis systems for countertop installation, not under the sink.

Waterdrop G2 RO

Estimated price : 309,99 €

The Waterdrop G2 RO features a compact tankless design, ideal if you're short of space under your sink. In addition to its fast flow rate of 1500 litres per day, its filtration performance is impressive, thanks to its effective reduction of contaminants such as chlorine, heavy metals, magnesium and calcium.

Benefits

• No tank, which saves up to 70 % of space under the sink.
• Intelligent filter replacement indicators prevent secondary contamination.
• Quick and easy to install, requiring just 30 minutes.
• Fast flow capacity: a glass of water in 12 seconds.

Disadvantages

• Requires an electrical socket under the sink to operate.
• No remineralisation system to adjust the pH of the filtered water.

Our opinion: An ideal solution for small kitchens thanks to its compact size. If you're looking for a quick, easy-to-use solution and pH adjustment isn't a priority for you, this model is an excellent choice.

Bluevua RO100ROPOT-LITE

Estimated price : 584,09€

This model first caught my eye because of its compact, portable design. It doesn't need to be installed directly under the sink, which is a big advantage if, like me, you're not much of a DIYer or you're a tenant and don't want to be drilling holes everywhere. The Bluevua is really intuitive to use: you just put it on your counter, plug it in and off you go.

Benefits

• No installation required: I liked the fact that I didn't have to call a plumber or struggle with my sink for the installation.
• Easy to use : Everything is very intuitive. Even my daughter learned to use it in a few minutes.
• Filtration quality : The result is excellent. The water tastes neutral and fresh, a far cry from the chlorinated taste I was used to.
• Aesthetics : The minimalist look of this system makes it easy to integrate into a modern kitchen.

Disadvantages

• Water-waste efficiency ratio : Although the 2:1 ratio is mentioned as an improvement over older systems, I noticed that this system still uses a fair amount of water for a small amount of filtered water. Not ideal if you're concerned about the environment.

Our opinion: Perfect for those looking for a mobile, easy-to-use solution.

The selection then continues with reverse osmosis systems designed for under-sink installation, offering discreet, high-performance options tailored to different needs

FS-TFC FS-RO-100G-A

Estimated price : 374,61 €

The FS-TFC FS-RO-100G-A offers a compact, wall-mounted design, making it perfect for homes with limited space. With a capacity to filter 18 litres of water per hour, it is suitable for small families or moderate use. It effectively removes over 1,000 contaminants and guarantees lead-free water thanks to the supplied tap.

Benefits

• Convenient wall-mounting.
• Removes up to 99 % of contaminants.
• Constant flow of 18 litres of water per hour.
• Includes a lead-free tank and tap for added safety.

Disadvantages

• The tank can restrict the space under the sink.
• Slightly more expensive than other similar systems.

Our opinion: Perfect for those looking for quality filtration with discreet wall-mounting. Its flow rate is suitable for moderate use by families of up to three people.

ISpring RCC7P-AK with Pump and Alkaline Filter

Estimated price : 470,99 €

One of the best options for those with low water pressure. The built-in pump is durable and ensures effective filtration even when the pressure is unstable. On the other hand, alkaline filtration makes the water slightly less acidic, which is ideal for preserving essential minerals.

Benefits

• Integrated pump perfect for low pressure.
• Highly efficient 6-stage filtration.
• Excellent value for money.

Disadvantages

• Installation takes a little longer for beginners.
• The tap supplied could be more robust.

Our opinion: An excellent option for advanced filtration needs at a reasonable price.

iSpring RCC1UP-AK

Estimated price : 662,99 €

The iSpring RCC1UP-AK is a top-of-the-range system incorporating 7-stage filtration, including a UV filter to eliminate micro-organisms and an alkaline remineralisation filter to adjust the taste and pH of the water. Suitable for highly contaminated water environments, this system is ideal for those who don't want to compromise on purity.

Benefits

• Advanced 7-stage filtration, including a UV filter against bacteria and viruses.
• Alkaline remineralisation for a natural taste and improved pH balance.
• Supported by a booster pump to ensure optimum filtration even at low pressure.
• Robust construction and detailed installation manual.

Disadvantages

• High price, suitable for demanding users only.
• UV filter requires regular maintenance.

Our opinion: The perfect choice for ultra-complete filtration. If your budget allows, this model offers unrivalled water quality with all the essential aspects covered. Ideal for heavily polluted water.

APEC Water Systems ROES-PH75

Estimated price : 511,06 €

The APEC ROES-PH75 is a system specially designed to provide water with a better pH balance thanks to its remineralisation filter. With a production capacity of 75 gallons per day, this robust and reliable system is perfect for medium-sized families.

Benefits

• Alkaline remineralisation to improve the taste of the water.
• High filtration capacity for family consumption.
• Designed and manufactured in the USA using quality materials.

Disadvantages

• The tank takes up a lot of space under the sink.
• Does not have UV filtration to eliminate bacteria.

Our opinion: An ideal solution for households that want water that tastes good without compromising on the quality of the installation.

Apec Supreme Certified Alkaline PH+ 90 GPD (Ultimate RO-PH90)

Estimated price : 915,88 €

Benefits

• Removes more contaminants than other standard models with 6 advanced stages.
• Premium tap included, lead-free.
• Large capacity, ideal for intensive use.

Disadvantages

• The price is very high (€915.88).
• Requires more space under the sink.

Our opinion: This model is a top-of-the-range version, perfect for large families or large filtered water requirements. With a capacity of 90 GPD and WQA Gold Seal certification, there's no compromise on quality.

Geekpure 5 Steps with 7 Additional Filters

Estimated price : 169,99 €

Benefits

• Excellent value for money (€169.99).
• Installation accessible even to novices, thanks to explanatory videos.
• Free filters to reduce your maintenance costs.

Disadvantages

• Throughput limited to 75 GPD, not ideal for large families.
• No improvement in pH, so slightly neutral taste compared with alkaline models.

Our opinion: The perfect choice for limited budgets! This system filters up to 99% of contaminants, and the free replacement filters (7 in total!) make it a cost-effective long-term solution. What's more, installation is intuitive.

Comparison table

Model	Estimated price	Filtration capacity	Main benefits	Main disadvantages	Our opinion
Waterdrop G2 RO	309,99 €	1500 L/day	Compact, tankless (saves 70 % of under-sink space), fast flow (one glass in 12 seconds), simple installation, intelligent filter indicators	Requires an electrical socket under the sink, no remineralisation system to adjust pH level	Ideal for small kitchens, quick and practical for those who don't prioritise pH levels.
Bluevua RO100ROPOT-LITE	590,23 €	Not specified	No installation required, easy to use, filtration quality, attractive design	Efficiency/water waste ratio (2:1) still in need of improvement	Perfect for users looking for a mobile, intuitive solution.
FS-TFC FS-RO-100G-A	374,61 €	18 L/hour	Convenient wall-mounted installation, 99 % contaminant removal, constant flow, includes: lead-free reservoir and tap	Tank takes up space under the sink, slightly higher price	Suitable for families of up to three people, it offers effective, discreet filtration.
iSpring RCC7P-AK	470,99 €	Not specified	Integrated low-pressure pump, 6-stage filtration, good value for money	Complex installation for novices, tap supplied could be more robust	Good solution for advanced filtration at a competitive price.
iSpring RCC1UP-AK	662,99 €	Not specified	7-stage filtration, UV filter against micro-organisms, alkaline remineralisation, booster pump	High price, regular maintenance required for UV filter	Ideal for highly contaminated water, with ultra-complete filtration.
APEC ROES-PH75	511,06 €	75 gallons/day	Alkaline remineralisation, made in the USA, suitable for family consumption	Bulky tank, no UV filtration for bacteria	Perfect for families looking for better-tasting water.
Apec Supreme PH+ 90 GPD	915,88 €	90 gallons/day	Advanced contaminant removal (6 stages), large capacity, premium tap included	Very expensive, takes up a lot of space under the sink	Top of the range, ideal for large families and intensive filtered water requirements.
Geekpure 5 Steps	169,99 €	75 gallons/day	Excellent value for money, easy installation, 7 free filters	Limited flow, no pH remineralisation	A cost-effective, intuitive solution for small budgets.

Why is Reverse Osmosis Essential Today?

Whether it's to remove PFASWhether it's reducing traces of heavy metals or neutralising organic contaminants, a reverse osmosis system offers more than just comfort. It guarantees healthy hydrationIt improves the taste of your drinks and helps protect the environment by reducing the use of disposable plastics.

There's a solution to suit every household, whether it's maximising the space available in a small kitchen or meeting the specific needs of a private well. So take the plunge and transform your everyday life with perfectly pure, uncompromising water!

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Conclusion

Choosing the best reverse osmosis system is a sustainable investment to improve water quality and reduce consumption of plastic bottles. Whether you're looking for a low-cost, high-tech option or one suitable for large families, there's a model to meet your needs. Opt for pure, healthy water every day by choosing the system that's right for you.

If you'd like more articles on healthy, practical living, take a look at our here.