Can Reverse Osmosis Really Add Minerals Back to Your Water?

Table of Contents

1. Why Was the “Mineral Reclaimer” Invented?

In the early 2000s, reverse osmosis (RO) systems became very popular. They were praised for drastically reducing TDS (total dissolved solids) – but in doing so, they also filtered out essential minerals like magnesium, calcium and even small amounts of sodium.
The result? Water that tasted flat or bitter, and people around them didn’t feel like they were making the right investment.
Customers began complaining – rightly so – not only about the taste, but also about the very low pH level – sometimes below 6.5, which is the minimum level allowed by health standards.
To save the reputation of RO, the mineral reclaimer was invented – a small cartridge that is installed after the RO membrane, supposedly to “return the goodness” to the water.
To us, this seems mostly like a marketing ploy.

2. Who Invented the Mineral Reclaimer?

The first to introduce it to the market were manufacturers from China, who saw sales potential. Western companies – mainly from the United States – joined immediately afterwards, not because there was a scientific breakthrough, but because they did not want to be left behind in the marketing race.

3. Does the Mineral Reclaimer Really Work?

Now we have come to the real problem.
In most RO systems, the water flow passes too quickly – there is not enough contact time for the water to absorb a significant amount of minerals from the capsule.
You can easily check this: measure the TDS before and after the mineral reclaimer, and also check ORP and mineral levels to verify whether any meaningful enrichment has actually occurred. In most cases – there is almost no change at the beginning of use.
And if you do see a difference later on? This is not necessarily good news – it is likely bacterial growth.
The return line is installed after the membrane – that is, on the filtration side – and is therefore an ideal environment for the growth of contaminants from the tap, especially resistant bacteria such as Pseudomonas aeruginosa. Over time, mold and fungus can also develop, leading to bad odors and tastes – and in our opinion, a health risk.
Studies in PubMed confirm that Pseudomonas and other bacteria can colonize RO systems and form biofilms – even after filtration.
And the worst part? The contamination can spread to the storage tank and from there to the family’s drinking glasses.
In addition, RO systems require a sewer connection to dispose of the waste water – typically wasting between 1 and 5 gallons of water for every gallon of water treated. The sewer connection can also allow bacteria to enter the storage tank.
So is this a guaranteed mineral enrichment? In our opinion — it may turn out to be a boiling broth of bacteria.

4. What Is the Real Solution?

The good news: there is a true mineral enrichment technology — and in our opinion it is completely different from the usual mineral remineralizers.
For example, TipaTech-Lotus DY technology uses a patented process that allows for precise control of mineral levels and magnesium enrichment, while maintaining a healthy TDS range (100–1000), without the need for a storage tank, without electricity, and without the risk of contamination.
The system operates on water pressure alone — and also releases toxic gases (radon, chlorine, ammonia) that are not treated at all by regular RO systems.

5. Summary

Adding “minerals” to an RO system is like putting makeup on a cracked wall — it may seem so in the short term, but it does not really solve the underlying problem, and may even create new health problems.
If you want healthy, tasty, mineral-rich, and free of contaminants water — you need a technology that is designed for this from the ground up, not a temporary marketing fix.
Considering parting ways with your RO system? It could be the healthiest decision you make this year.

Scientific Websites and Support

traditional reverse osmosis systems. The American Chemical Society (ACS) highlights in its Environmental Science & Technology review the unintended consequences of RO filtration — including the removal of essential minerals and the potential for microbial growth inside storage tanks. Complementing this, the World Health Organization (WHO), in its publication “Nutrients in Drinking-Water”, discusses the health implications of consuming demineralized water and emphasizes the importance of maintaining adequate mineral levels such as magnesium and calcium. Together, these reputable sources provide a strong scientific foundation for understanding why remineralization capsules are not a reliable long-term solution.

About the Author

Baruch Ziser

Founder & Senior Scientific Consultant | Inventor of the TipaTech Filtration Systems

Baruch Ziser is a leading expert in water technology with fifty years of experience. As the inventor of TipaTech filters and a senior scientist at the Technion’s INOVATEC program, he has developed advanced water systems that reduce impurities while retaining and adding the necessary minerals for optimal body function. His innovations are recognized globally for improving drinking water quality in homes and agriculture.

The TipaTech Water Filtration Systems have been Tested and Certified by IAPMO

& Compliance to NSF/ANSI/CAN standards

NSF/ANSI/CAN Standards | IAPMO, R&T, UPC and the Standards Council of Canada

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